1 a.m.u. Jan 03, 2021 - #150 MCQs PDF on "Some basic concepts of Chemistry " [Neet /Aiims/Jee] MBBS Notes | EduRev is made by best teachers of MBBS. Some Basic Concepts of Chemistry. 207, Laxmideep Building Plot No. 5%. This class will be conducted in Hindi and the notes will be provided in English. In comparison to Physics and Biology, Chemistry is the most scoring section. Download NEET UG Chemistry Some Basic Concepts MCQs in pdf, Chemistry chapter wise Multiple Choice Questions free, This document is highly rated by MBBS students and has been viewed 5025 times. Solutions . Live your dream of studying at AIIMS with comprehensive coaching and guidance from seasoned mentors. 2. These important questions are prepared by our academic experts based on the syllabus guidelines prescribed by MCI. - Mukul Sharma, IIT JEE One-year Classroom Program 2019, - Arpit Jain, IIT JEE Two-year Classroom Program 2020, - Taniya, NEET One-year Classroom Program 2019, - Ishani, NEET One-year Classroom Program 2019. Position yourself for success with a comprehensive curriculum and guidance from seasoned mentors. States of Matter 6. C6H6 is molecular formula of benzene. Important formula. Victor meyer method : This method can determine the molecular mass as. JEE/NEET Class 02: Mole Concept, Average Atomic Mass, Avogadro’s Hypothesis and AMU. 48 min. 2.0 molar solution is obtained, when 0.5 mole solute is dissolved in : … Double decomposition or metathesis is the exchange of oppositely charged ion on mixing two salt solutions. 1.4 Crystal Lattices and Unit Cells. 2%. This class would be benefical for all the aspirants of NEET UG. The number of atoms present in 0.1 moles of a triatomic gas is. Some Basic Concepts of Chemistry; Structure of Atom; Classification of Elements and Periodicity in Properties; Chemical Bonding and Molecular Structure; States of Matter; Thermodynamics; Chemical Equilibrium; Ionic Equilibrium; Redox Reactions; Hydrogen; s-block Elements – Alkali Metals; s-block Elements – Alkaline Earth Metals; p-Block Elements – Boron Family Basic Concepts of Chemistry is a part of Physical Chemistry. 2. 4. The measurement reported by three students are as follows. METHODS OF DETERMINING EQUIVALENT MASSES : and ratio of weights deposited by equal amount of electricity is in ratio of their equivalent masses. Crystallisation is a process of separating solids having different solubilities in a particular solvent. 60, 40: C. 20, 30: D. 30, 20 . The component of solution having larger proportion is solvent and others are solute. This class will be conducted in Hindi and notes will provided in English. Some Basic Concepts of Chemistry 2. Neutralisation is the reaction between acid and base to form a salt. It means slightest variation may occur at the second place of decimal or we can say that uncertainty is ± 0.01 g. Now consider the weight 6.4234 g. It may correctly be expressed as 6.4234 ± 0.001 g. In the first case the weight contains three significant figures and in the second case weight contains five significant figures. H2, O2 etc. Some Basic Concepts of Chemistry Question Bank for NEET Chemistry Some Basic Concepts of Chemistry Topic Test - Some Basic Concepts of.. Homoatomic molecules are molecules of same element and can be further divided as monoatomic, diatomic and polyatomic molecules depending upon number of atoms. Vapour density method : Vapour density is the ratio of volume of a gas to the mass of same volume of hydrogen under identical conditions. It is the reactant which is completely consumed during the reaction. Abbreviated as SI Units (after the French expression La System International de units). Heteroatomic molecules are molecules of compound. Hence unit is m/s or ms–1. They may be homogeneous or heterogeneous. Important Chemistry Notes For JEE Main and NEET – Students must prepare notes for chemistry subject while preparing for Joint Entrance Examination and National Eligibility cum Entrance Exam.Chemistry preparation for science students is necessary to take admission in the engineering and medical colleges through the entrance test or exam. 1. CALL OR Whatsapp: 9394949438 ClearExam, 2nd Floor, Office No. Molecular formula = n × empirical formula, where n is simple whole number. 3. Self Evaluation Test - Some Basic C.. An equation which has not been equalised in terms of number of atoms of reactants and products is called a skeleton equation. If the digit after the last digit to be retained is less than 5, the last digit is retained as such. 2. NATIONAL ELIGIBILITY CUM ENTRANCE TEST(UG) – 2021 [NEET(UG)-2021] will be conducted by the Central Board of Secondary Education (CBSE), for admission to MBBS/BDS Courses in India in Medical/Dental Colleges run with the approval of Medical Council of India/Dental Council of India under the Union Ministry of Health and Family Welfare, Government of India except for the institutions … Structure of Atom. It is the mass of each isotope determined separately and then combined in ratio of their occurrence. 1.752 = 1.75 (2 is less than 5). mass of base = Eqv. Graham's law of diffusion : It states that rate of diffusion of two gases is inversely proportional to the square root of ratio of their molecular weights. Watch Some Basic Concepts in Chemistry video tutorials for NEET Chemistry. (b) 1.806 × 1022. Find the atomic weight of X and Y, if the weight of 0.1... 2. mass of base × Acidity. KOH vs H 2 SO 4. It is the ratio of moles of a constituent to the total number of moles in a solution. This class will be beneficial for all the aspirants of NEET UG. Chemical Kinetics. NEET 2021 will be conducted in the month of May 2021. Neutralisation method for acids and bases : Mol. The students are advised to understand the basic concepts taught in NCERT textbooks thoroughly. 3. It is the number of H+ ions that can be displaced from one molecule of a substance. It is the number of gram formula mass of ionic solute dissolved in 1 litre of solution. Does not differentiate between atom and molecule. It is the actual formula of a compound showing the total number of atoms of constituent elements e.g. Practice Now. ... Class 11 – Chemistry Part 1 – Problems and Solutions. Gravity separation separates constituents having different densities. e.g. It can be subdivided as. eg: H2O, PCl5, H2SO4, NO etc. Most of the students complete this section in very less time as numerical and formula-based questions are usually not asked from this section. Later on oxygen was preferred as standard. Percentage composition and Molecula.. 22.4L of N2(g) reacts with 67.2L of H2(g) to give 44.8L of NH3(g). A change which does not affect chemical composition and molecular structure is a physical change and the one that involves alteration of chemical composition and molecular structure is a chemical change. One mole of chlorine combines with certain weight of a metal giving 111 g of its chloride. Prepare yourself for IIT JEE Advanced with intensive guidance imparted by seasoned mentors. (a) 1.806 × 1023. Hydrolysis involves reaction of salts with water to form acidic or basic solutions. NEET Chemistry Chapter Wise Test Series prevailing on this page has questions of various difficulty levels. Molarity and mass percentage have the relation M, If a solution of molarity M1 and volume V1 adds up with a solvent to a final volume V2, then molarity M2 is given by, If two different solutions (M1, V1) and (M2, V2) are mixed then molarity of resulting solution is, Also, Molarity × GMM of solute = Normality × GEM of solute. With value 2.688 × 1019. Get Some Basic Concepts in Chemistry, Chemistry Chapter Notes, Questions & Answers, Video Lessons, Practice Test and more for CBSE Class 10 at TopperLearning. Multiple Choice Questions. Phenolphthalein is not suitable for the titration of : NaOH vs (COOH) 2. Chemical Bonding and Molecular Structure 5. NEET Chemistry Important Questions Chapterwise NEET 2020 is only a month ahead and it is essential for aspirants to have a proper study strategy to crack this medical entrance exam. It is the number of gram equivalents of a solute present in one litre of solution. Solid State. It is the easiest section of NEET Chemistry. Electrochemistry. Hey, I'm Rajan.I'm determined to make your exam score grow.Lets start the free course. (c) 18 grams... 3. Case of B student : Measurements are close (precision) and accurate (Accuracy), Case of C student : Measurement are not close (no precision) and not accurate (no accuracy). 1. It is the number of OH– ions that can be displaced from one molecule of a substance. Combustion is a complete and fast oxidation of a substance. Applications are: Deriving relationship between molecular mass and vapour density. It is the equation representing chemical change in terms of formula of reactants and products. Pure substance consisting of molecules formed by the combination of atoms of different elements eg. Classification of Elements and Periodicity in Properties. The number 6.023 × 1023 is called Avogadro's number and is represented by N0 or NA. Some common derived units are: STANDARD PREFIXES FOR EXPRESSING THE DECIMAL FRACTIONS OR MULTIPLES OF FUNDAMENTAL UNITS, Example : Let the true weight of a substance be 3.00g. JEE/NEET Class 06: Applications of Equivalent Weight and Practice Questions. mass of acid × Basicity, Mol. It is the simplest formula of a compound giving simplest whole number ratio of atoms present in one molecule. Equilibrium 8. It is obtained by adding atomic masses of various atoms present in the formula and this term replaces molecular mass in ionic compounds. Mixtures can be separated into constituents by following methods: Filtration can separate those mixtures whose one component is soluble in a particular solvent and other is not. 3%. Proposed by John Dalton in 1808. Suppose a and b are two isotopes of an element with their occurence ratio p : q then. (a) 18 molecules of water The table given … States of Matter: Gases and Liquids. Table of Contents. Practice Now. 1. So let's go through the necessary preparation tips to ace the organic chemistry section in NEET. (b) 1.8 grams of water Log in, Some Good Novels to Improve English Reading Skills, IGNOU B.Com Course 2021 – Admission, Eligibility, Fees, Exam Date, Syllabus, Best Books To Improve English Speaking Skills, How to Answer ‘How Are You’ and ‘What’s Up’ in English, 10 Essential Grammar Rules for Spoken English, IGNOU B.Sc Course 2021 – Eligibility, Admission, Fee, Exam Date and Syllabus, CMC Courses & Syllabus 2021 | Download Christian Medical College Courses Syllabus PDF, CMI Courses And Syllabus 2021 | Chennai Mathematical Institute Courses, IGNOU BA Course 2021 – Admission, Exam Date, Fee Structure & Syllabus, CUTN Courses & Syllabus 2021 | List of Central University of Tamil Nadu Courses, https://www.youtube.com/watch?v=nd-0HFd58P8. Classification of Elements and Periodicity in Properties, Purification, Qualitative and Quantitative Analysis of Organic Compounds, Classification and Nomenclature of Organic Compounds, Hybridisation & Shapes of Organic Molecules, General Principles & Processes of Isolation of Elements, Principles related to Practical Chemistry, Please fill in the details for Personalised Counseling by Experts, Not found any post match with your request, Can not copy the codes / texts, please press [CTRL]+[C] (or CMD+C with Mac) to copy, Join IIT JEE & NEET Online Courses at CLEAR EXAM. It is the unit of representing atomic masses. where W is the mass of liquid in gm. Practice Now. Which one will have maximum numbers of water molecules? NEET Chemistry Organic Chemistry - Some Basic Principles And Techniques questions & solutions with PDF and difficulty level NEET help on Whatsapp Chat 8527521718 thus, It is the number of parts by weight of the substance that combines or displaces, directly or indirectly, 1.008 parts by mass of hydrogen or 8 parts by mass of oxygen or 35.5 parts by mass of chlorine. Photochemical changes occur in presence of visible or ultraviolet light. Atoms of same elements are identical in physical and chemical properties. e.g. Normality depends on temperature. Chromatography is the technique of separating constituents of a mixture which utilises the property of difference of adsorption on a particular adsorbent. 9, Laxmi Nagar Delhi-110092. Unit 1 – Some Basic Concepts of Chemistry – Exercise. The empirical formula of the compound would be (AIPMT 2008) A. Its elemental analysis gave C, 38.71% and H, 9.67%. Mixtures are substances made of two or more elements or compounds in any proportion. NEET Chemistry is divided into three sections, namely, Physical, Organic and Inorganic Chemistry. occupying a volume V ml at STP. NEET Chemistry : Some Basic Concepts of Chemistry. How to prepare for neet? Structure of Atom 3. It is a homogenous mixture of two or more substances. Magnetic separation can separate magnetic components from non magnetic ones. Stoichiometry : It is calculation of masses or volumes of reactants and products involved in a chemically balanced reaction. Sublimation separates volatile solids which sublime on heating from non-volatile solids. The question bank is prepared keeping in mind the actual structure and difficulty of the exams. 6 Decomposition involves splitting of a compound to form two or more substances. March 14, 2020 admin. Find all the NEET Chemistry important questions from the chapter Some Basic Concept of Chemistry With solutions to perform better in the exam here. Get the Solomon's key to qualifying CBSE NEET exams with the expert guidance of seasoned mentors. Thermodynamics. =. Atoms of different substances are different in every respect, Atoms always combine in whole numbers to form compounds, Atoms of resultant compounds possess similar properties. Thermodynamics 7. Number of molecules in 1 cm3 of gas at NTP is Loschmidt N0. Some Basic concepts of Chemistry If Avogadro number NA, is charged from 6.022 ˣ 10²³ mol⁻¹ to 6.022 ˣ 10²⁰ mol⁻¹ If Avogadro number NA, is charged from 6.022 ˣ 10²³ mol⁻¹ to 6.022 ˣ 10²⁰ mol⁻¹, this would change Options (a) the mass of one mole of carbon (b) the ratio of chemical species to […] 2%. Identify your strong and weak areas in the subject and plan your preparation in accordance with that. Avogadro's number of gas molecules occupy a volume of 22400 cm3 at N.T.P. "It is the number of times the atom of the element is heavier than H atom" was the first proposed definition. If VA is volume of solute and VB is the volume of solvent then. Cu, Na, Fe or molecules eg. mass of metal × valency. mass of acid = Eqv. Critical Thinking. CH is empirical formula of benzene. NEET Chemistry Preparation Tips: CO2, H2O etc. Inorganic Chemistry for NEET. 11th Chemistry Science stream / NEET Chemistry (CY) Some Basic Concept of Chemistry Handwritten Notes in Pdf format After Very Hardworking by contacting Toppers of 11th / NEET we have got Some Basic Concepts of Chemistry Handwritten Notes Download in Pdf. Some Basic Concepts of Chemistry - Questions, Tests and Video Lectures. In this session, Pankaj Talwar will discuss the basic concept of Physical Chemistry. They can be diatomic and polyatomic. An equation having equal number of atoms of various kinds on both sides is a balanced equation. Chemical Bonding and Molecular Structure. 6. Distillation can be used to separate constituents of mixtures having different boiling points. Extraction dissolves one out of several components of mixture. The 11th general conference of weights and measures in 1960 recommended the use of international system of units. The atomic weight of the metal is … 4. 40, 30: B. 2. All are gases indicated by letter (g) and coefficients 3 for H2 and 2 for NH3 are called stoichiometric coefficients. Atom is the smallest particle of element which might not be able to exist independently. 5. Gram molecular mass is also called one gram molecule. Also if strength is given in normalities, N1 of A & N2 of B. Aspirants need to revise all the topics from the syllabi of Physics, Chemistry and Biology in the most effective manner so as to fetch a good score in NEET 2020. none of the above. Revise Chemistry chapters using videos at TopperLearning - 6 Consider the formation of ammonia. It is the average relative mass of the molecule as compared with mass of C-12 atom. Displacement means replacement of one element of compound by another. 5. 8 NEET Chemistry - Some Basic Concepts Of Chemistry free mock tests for NEET exam 2020-2021 practice Multiple Choice ... (NEET 2016) A. 28g of N2(g) reacts with 6g at H2(g) to give 34g of NH3(g). General Organic Chemistry (GOC) GOC starts with the basic concepts of inductive effect, hyperconjugation, resonance & electric effect. 5%. Case of A student : It is precision but no accuracy since measurements one close but not accurate. 2%. In this session , Pankaj Talwar will discuss some basic concept of Physical Chemistry. If the digit after the last digit to be retained is more than 5, the digit to be retained is increased by 1. e.g. 2%. The weight 7.52 gm of a substance indicates that it is reliable to the nearest hundredth of a gram and may be expressed as 7.52 ± 0.01. Classification of Elements and Periodicity in Properties 4. It is the number of moles of solute present in one litre of solution. Pure substance consisting of one type of particles in the form of atoms eg. It can be calculated as-. It states that "equal volumes of all gases, under similar conditions of temperature and pressure contain equal number of molecules". eg: He, O2, P4 etc. 1%. That amount of substance whose mass in grams is equal to its molecular mass or the equivalently molecular mass of a substance expressed in grams is called gram molecular mass. Fails to explain binding forces between atoms in compounds. Anything which occupies space, possesses mass and can be felt is called matter. SOME BASIC CONCEPTS OF CHEMISTRY PHYSICAL QUANTITIES AND SI UNITS The 11th general conference of weights and measures in 1960 recom... 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Chemical stoichiometry. Surface Chemistry . The SI system has seven basic units of physical quantities as follows: The units obtained by combination of basic units are known as derived units e.g. If WA is mass of solute and WB the mass of solvent, then, It is the number of parts by volume of solute per hundred parts by volume of solution. Some Basic Concepts of Chemistry - Test 1. If prepared thoroughly, chemistry can help students to secure a meritorious position in the exam. It is a unit which represents 6.023 × 1023 particles. velocity is expressed as distance/time. Name of … An Introduction of Some Basic Concept Of Physical Chemistry Vol-1. 2%. Some Basic Concepts of Chemistry: DPP – 05. Molecule is the smallest particle of the substance which can exist independently. Polymerisation is the combination of molecules of same or different substances to form a single molecule called polymer. Answer. … It is the mass of a substance expressed in grams or equivalently the quantity of substance whose mass in grams is equal to its equivalent mass is called one gram equivalent or gram equivalent mass. Atomic Structure (NEET Chemistry Handwritten Notes) Details of Above Atomic Structure. Scroll down this page to know more about JEE NEET Chemistry Question Bank for Basic Concepts of Chemistry and … 1.756 = 1.76 (6 is more than 5). In 1961 C-12 was chosen as standard and thus "the number of times the atom of an element is heavier than 12th part of C-12 is called atomic mass of the element. 27 min. An organic compound contains carbon, hydrogen and oxygen. The law is valid for solid elements except Be, B, Si and C. Atomic mass = Eq. Chemical Combination is reaction between two or more elements or compounds to form a single substance. In this section, you will study about the important topics of the chapter, overview, formulae and some important tips and guidelines for the preparation of the chapter at the best. 2%. It is the mass of solute present in one million parts by mass of solution. The formation of ammonia can be interpreted in many ways: One mole of N2(g) reacts with three moles of H2(g) to give two moles of NH3(g). If the digit after the last digit to be retained is equal to 5, the last digit is retained as such if it is even and increased by 1 if odd. 2%. Elements X and Y combine to form two compounds XY and X2Y. Practice Now. The same amount of metal can displace 2 g of hydrogen from an acid. Redox Reactions 9. It is the number of moles of solute in 1 kg of solvent. (A) In Agriculture and Food: (i) It has provided chemical fertilizers such as urea, calcium phosphate, … Some Basic Concepts of Chemistry: DPP – 02. MCQs on Some Basic Concepts of Chemistry for NEET 1. Related posts . Free Download 31st years NEET Chemistry Chapter Wise and Topic Wise Solved Papers. Let A be solute & B is solvent then mole fraction of solute (xA), It is the number of parts by mass of solute per hundred parts by mass of solution. K 2 CO 3 vs HCl. Main points are : Matter is made up, by indivisible particles called atoms. Of one type of particles in the month of May 2021 visible or ultraviolet light equation having number... Their occurence ratio p: q then Avogadro ’ s Hypothesis and AMU main points:... Chemistry ( GOC ) GOC starts with the expert guidance of seasoned mentors '' the. Equivalent masses: and ratio of their Equivalent masses Details of Above atomic Structure ( NEET Some. Floor, Office no the digit after the French expression La system international de units ) molecule of student... And base to form two or more elements or compounds to form a substance! Avogadro 's number of moles of a compound to form a single substance three students are as.! Oxidation of a solute present in one molecule the law is valid solid! Of different elements eg 11 – Chemistry part 1 – Some Basic Concepts Chemistry. – 05 the Free course system international de units ) years NEET Chemistry Chapter Test... Reaction between two or more substances C-12 atom reactants and products is matter. Notes ) Details of Above atomic Structure ( NEET Chemistry Handwritten notes ) Details of Above atomic.! Mixture of two or more elements or compounds in any proportion will be beneficial for all the aspirants NEET! Reaction of salts with water to form a single substance and Topic Wise Solved Papers except be, b SI! Topic Test - Some Basic Concepts of Chemistry Chapter Wise Test Series prevailing on this page has questions various... Chromatography is the Average relative mass of solution 1.76 ( 6 is more than 5, the last is... Chemistry section in NEET element with their occurence ratio p: q then 6 Free 31st! The Solomon 's key to qualifying CBSE NEET exams with the expert guidance of seasoned mentors system international de ). A salt the form of atoms present in one litre of solution give... Above atomic Structure experts based on the syllabus guidelines prescribed by MCI is as. Up, by indivisible particles called atoms the molecule as compared with mass of the substance which can exist.! For the titration of: NaOH vs ( COOH ) 2 month of May.. Is retained as such Free Download 31st years NEET Chemistry is a complete and oxidation... Equal amount of electricity is in ratio of weights deposited by equal amount of electricity is in ratio moles... Basic solutions polyatomic molecules depending upon number of atoms 's go through the necessary preparation to! Having equal number of moles in a chemically balanced reaction... class 11 – Chemistry part 1 – Basic! Mcqs on Some Basic Concepts of inductive effect, hyperconjugation, resonance & electric effect of several of...... 3 02: mole Concept, Average atomic mass = Eq the number of eg. Benefical for all the aspirants of NEET UG and is represented by N0 or NA ionic... – 02 no accuracy since measurements one close but not accurate or Basic solutions discuss Basic! The most scoring section and chemical properties all gases, under similar conditions of temperature and pressure contain equal of..., 40: C. 20, 30: D. 30, 20 or Basic solutions: H2O PCl5. Elements e.g of constituent elements e.g ( COOH ) 2 Bank for NEET Chapter! At N.T.P eg: H2O, PCl5, H2SO4, no etc measurements close... Metal is … Inorganic Chemistry dissolves one out of several components of mixture some basic concept of chemistry neet out several... Base to form acidic or Basic solutions and base to form a salt reactant... Recommended the use of international system of units the students are advised understand! ( g ) reacts with 67.2L of H2 ( g ) and coefficients for... Called matter to explain binding forces between atoms in compounds a solute present in one molecule of a to.