Class 10 Courses

Chapter 4: Class 10 Chemistry Exam Tests

Class 10 Chemistry MCQs - Chapter 4

Chemical Equilibrium Quiz Questions and Answers PDF - 3

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Chemical Equilibrium Questions & Answers PDF Download: MCQ Quiz 3

MCQ 11:

The relationship by which the values that relate amounts of products to reactants at equilibrium can be determined is called

  1. law of conservation of mass
  2. law of chemical reactions
  3. law of mass action
  4. active mass
MCQ 12:

The term "active mass" shows the concentration of reactants and products in

  1. mol.dm-3 for a dilute solution
  2. mol.cm-3 for a dilute solution
  3. mol.dm-3 for a concentrated solution
  4. mol.cm-3 for a concentrated solution
MCQ 13:

The equilibrium constant can be used to determine the equilibrium concentration of equilibrium mixture knowing the

  1. final concentration of products
  2. final concentration of reactants
  3. initial concentration of reactants
  4. initial concentration of products
MCQ 14:

When diluting acid always add

  1. water to acid
  2. acid to water
  3. acid to oxygen
  4. hydrogen to acid
MCQ 15:

The state at which forward and reverse reactions occur at the same rate is

  1. equilibrium
  2. unstable equilibrium
  3. not in equilibrium
  4. neutral equilibrium

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