Some Basic Concepts of Chemistry
74 CBSE Class 11 Chemistry practice questions with answers and worked solutions.
About this chapter
- Difficulty: 46 easy · 24 moderate · 4 hard.
- Most-asked subtopics: Stoichiometry and Stoichiometric Calculations (25), Uncertainty in Measurement (20), Mole Concept and Molar Masses (11).
- Updated 9 September 2026.
#1Atomic and Molecular Masses
#2Percentage Composition
#3Stoichiometry and Stoichiometric Calculations
#4Stoichiometry and Stoichiometric Calculations
#5Stoichiometry and Stoichiometric Calculations
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#6Stoichiometry and Stoichiometric Calculations
#7Stoichiometry and Stoichiometric Calculations
#8Stoichiometry and Stoichiometric Calculations
#9Mole Concept and Molar Masses
#10Mole Concept and Molar Masses
#11Mole Concept and Molar Masses
#12Percentage Composition
#13Percentage Composition
#14Stoichiometry and Stoichiometric Calculations
#15Stoichiometry and Stoichiometric Calculations
#16Stoichiometry and Stoichiometric Calculations
#17Stoichiometry and Stoichiometric Calculations
#18Stoichiometry and Stoichiometric Calculations
#19Percentage Composition
#20Percentage Composition
#21Atomic and Molecular Masses
#22Mole Concept and Molar Masses
#23Mole Concept and Molar Masses
#24Mole Concept and Molar Masses
#25Stoichiometry and Stoichiometric Calculations
#26Stoichiometry and Stoichiometric Calculations
#27Properties of Matter and Their Measurement
#28Properties of Matter and Their Measurement
#29Properties of Matter and Their Measurement
#30Uncertainty in Measurement
#31Stoichiometry and Stoichiometric Calculations
#32Stoichiometry and Stoichiometric Calculations
#33Uncertainty in Measurement
#34Uncertainty in Measurement
#35Uncertainty in Measurement
#36Uncertainty in Measurement
#37Uncertainty in Measurement
#38Uncertainty in Measurement
#39Uncertainty in Measurement
#40Uncertainty in Measurement
#41Uncertainty in Measurement
#42Uncertainty in Measurement
#43Uncertainty in Measurement
#44Uncertainty in Measurement
#45Uncertainty in Measurement
#46Uncertainty in Measurement
#47Uncertainty in Measurement
#48Laws of Chemical Combinations
#49Properties of Matter and Their Measurement
#50Uncertainty in Measurement
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