Chapter 1 - Some Basic Concepts of Chemistry
Pages 22 - 153
Calculate the mass percent of different elements present in sodium sulphate (Na2SO4).
At 0°C, the density of a certain oxide of a gas at 2 bar is same as that of dinitrogen at 5 bar. What is the molecular mass of the oxide?
The pressure of 1 g of an ideal gas A at 27 °C is found to be 2 bar. When 2 g of another ideal gas B is introduced in the same flask at the same temperature the pressure becomes 3 bar. Find a relationship between their molecular masses.
The drain cleaner, Drainex contains small bits of aluminum which react with caustic soda to produce dihydrogen. What volume of dihydrogen at 20 °C and one bar will be released when 0.15g of aluminum reacts?
The density of a gas is found to be 5.46 g/dm3 at 27 °C at 2 bar pressure. What will be its density at STP?
How much time would it take to distribute one Avogadro number of wheat grains, if 1010 grains are distributed each second?
Textbook solutions for Class 11
NCERT solutions for Class 11 Chemistry chapter 1 - Some Basic Concepts of Chemistry
NCERT solutions for Class 11 Chemistry chapter 1 (Some Basic Concepts of Chemistry) include all questions with solution and detail explanation from Chemistry Textbook for Class 11 Part 1. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has created the CBSE Chemistry Textbook for Class 11 Part 1 solutions in a manner that help students grasp basic concepts better and faster.
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Concepts covered in Class 11 Chemistry chapter 1 Some Basic Concepts of Chemistry are Importance of Chemistry, Historical Approach to Particulate Nature of Matter, Nature of Matter, The International System of Units (Si), Mass and Weight, Scientific Notation, Significant Figures, Dimensional Analysis, Law of Conservation of Mass, Law of Definite Proportions, Law of Multiple Proportions, Gay Lussac’S Law of Gaseous Volumes, Avogadro Law, Dalton'S Atomic Theory, Atomic Mass, Average Atomic Mass, Molecular Mass, Formula Mass, Mole Concept and Molar Masses, Percentage Composition, Stoichiometry and Stoichiometric Calculations - Introduction, Stoichiometry and Stoichiometric Calculations - Limiting Reagent, Stoichiometry and Stoichiometric Calculations - Reactions in Solutions, Some Basic Concepts of Chemistry Numericals.
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