some basic concepts of chemistry questions

(C) 16 g/mole This article talks about important concept, formulae and previous years' questions related to Basic Concepts of Chemistry for JEE Main and JEE Advanced Examination 2019. Chemistry. It … What will be the molarity of a solution, which contains 5.85 g of NaCl(s) per 500 mL? There are two chlorides of sulphur S2Cl2 and SCl2. (B) 11.2 If 500 mL of a 5M solution is diluted to 1500 mL, what will be the molarity of the solution obtained? These Topper’s Class typed/scanned notes of Some Basic Concept of Chemistry Handwritten Notes in Pdf will help you to understand all key concepts. Check the below NCERT MCQ Questions for Class 11 Chemistry Chapter 1 Some Basic Concepts of Chemistry with Answers Pdf free download. NEET Chemistry : Some Basic Concepts of Chemistry. Assertion (A) : One atomic mass unit is defined as one twelfth of the mass of one carbon-12 atom. Assertion (A) : Significant figures for 0.200 is 3 where as for 200 it is 1. Ans: The basic constituents of matter are atoms and molecules 3. Define the law of multiple proportions. (B) Cl– Some Basic Concepts of Chemistry - Questions, Tests and Video Lectures. (D) Be+, 7. Which of the species is not paramagnetic? What will be the molality of the solution containing 18.25 g of HCl gas in 500 g of water? Cisplatin 2. (C) 3.600 × 1023 Taxol 4. 0.194 N. 0.244 N. Answer. Assertion (A) : The empirical mass of ethene is half of its molecular mass. (A) 1.2 × 1023 (c) Give one example related to this law. Find the atomic weight of X and Y, if the weight of 0.1 moles of XY is 10g and 0.05 moles of X2Y is 9g (D) 6.02 × 1023, 6. In the following questions two or more options may be correct. The normality of hydrochloric acid is? (D) 5 L, 5. Some other substances having tinting property were kamplcica, pattanga and jatuka. Find the atomic weight of X and Y, if the weight of 0.1 moles of XY … (B) 1.8 grams of water … Multiple Choice Questions. Which one will have maximum numbers of water molecules? (A) 30, 20 of N/2 HCl and 30 c.c. A gas X has Cp and Cv ratio as 1.4, at NTP 11.2 L of gas X will contain_______ number of atoms Calculate, Calcium carbonate reacts with aqueous HCl to give CaCl. One mole of any substance contains 6.022 × 10. Question from very important topics are covered by NCERT Exemplar Class 11. CBSE Important Questions for Class 11 Chemistry, NCERT Important Questions for Class 11 Chemistry, NCERT Solutions for Class 8 Sanskrit Chapter 11 सावित्री बाई फुले, NCERT Solutions for Class 12th Macroeconomics : Chapter 6 – Open Economy Macroeconomics, Class 11 Important Questions for Chemistry - Structure of Atom. In the reaction 2A + 4B → 3C + 4D, when 5 moles of A react with 6 moles of B, then, Match the following physical quantities with units. Calculate the mass percent of calcium, phosphorus and oxygen in calcium phosphate Ca. Chemistry Class 11 Important Questions are very helpful to score high marks in board exams. (iii) Results of student B are neither precise nor accurate. (i) Both A and R are true and R is the correct explanation of A. To get fastest exam alerts and government job alerts in India, join our Telegram channel. SOME BASIC CONCEPTS OF CHEMISTRY 1 mark questions 1. Calculate the average atomic mass of hydrogen using the following data : Hydrogen gas is prepared in the laboratory by reacting dilute HCl with granulated zinc. Here we have covered Important Questions on Some Basic Concepts of Chemistry for Class 11 Chemistry subject. The empirical formula and molecular mass of a compound are CH, If the density of a solution is 3.12 g mL. 0.97 N. 0.142 N . (A) 1.806 × 1023 Another box contains identical blue coloured balls, labelled as B, each weighing 5 grams. 1. A vessel contains 1.6 g of dioxygen at STP (273.15K, 1 atm pressure). of N/10 HNO 3 are mixed together. What is Chemistry? Which of the following element contains the greatest number of atoms? A box contains some identical red coloured balls, labelled as A, each weighing 2 grams. 2. The reactant which is entirely consumed in reaction is known as limiting reagent. Which of the following statements is correct about the reaction given below: (i) Total mass of iron and oxygen in reactants = total mass of iron and oxygen in product therefore it follows law of conservation of mass. Required fields are marked *. (D) 18 moles of water, 3. (A) energy per unit volume Pressure has the same dimension as ____________ (i) Both A and R are true but R is not the correct explanation of A. 75 c.c. Important questions, guess papers, most expected questions and best questions from 11th Chemistry chapter 01 Some Basic Concepts of Chemistry have CBSE chapter wise important questions with solution for free download in PDF format. Some Basic Concepts of Chemistry's Previous Year Questions with solutions of Chemistry from JEE Main subject wise and chapter wise with solutions How does this law point to the existance of atoms? How is the mole defined? (B) 7 L How many significant figures should be present in the answer of the following calculations? Volume of a solution changes with change in temperature, then, will the molality of the solution be affected by temperature? Two students performed the same experiment separately and each one of them recorded two readings of mass which are given below. What is the symbol for SI unit of mole? 11th Chemistry chapter 01 Some Basic Concepts of Chemistry have many topics. The density of 3 molal solution of NaOH is 1.110 g mL. (i) Sample of carbon dioxide taken from any source will always have carbon and oxygen in the ratio 1:2. (ii) A compound cannot be separated into its constituent elements by physical methods of separation. (ii) 0.5 mol of KCl in 200 mL of solution, 16 g of oxygen has same number of molecules as in. (B) 8:1:2 (B) 80, 20 (D) 8:16:1, 9. MCQ Questions for Class 11 Chemistry with Answers were prepared based on the latest exam pattern. Elements X and Y combine to form two compounds XY and X2Y. These Some Basic Concept of Chemistry Handwritten Notes in Pdf will help you to prepare different competitive exams like GATE, PSUs and so on. (B) 32 g/mole Ans: It is a Branch of science deals with the study of composition, properties and interaction of matter. Find all the NEET Chemistry important questions from the chapter Some Basic Concept of Chemistry With solutions to perform better in the exam here. of N/5 H 2 SO 4, 10 c.c. Varähmihir’s Brihat Samhita gives references to perfumes and cosmetics. NEET Chemistry Some Basic Concepts of Chemistry Multiple Choice Questions, 1. One of the statements of Dalton’s atomic theory is given below: What will be the mass of one atom of C-12 in grams? Which of the following terms are unitless? Find out the average atomic weight of boron in the periodic table Practice daily with these NEET Chemistry objective questions on air pollution. (B) 1.806 × 1022

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