Class 10 Chemistry MCQs - Chapter 4

Chemical Equilibrium Quiz Answers PDF Download - 3

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Class 10 Chemistry Quiz: Chemical Equilibrium MCQs PDF Download - 3

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

A) law of conservation of mass

B) law of chemical reactions

C) law of mass action

D) active mass

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

A) mol.dm-3 for a dilute solution

B) mol.cm-3 for a dilute solution

C) mol.dm-3 for a concentrated solution

D) mol.cm-3 for a concentrated solution

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

A) final concentration of products

B) final concentration of reactants

C) initial concentration of reactants

D) initial concentration of products

MCQ: When diluting acid always add

A) water to acid

B) acid to water

C) acid to oxygen

D) hydrogen to acid

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

A) equilibrium

B) unstable equilibrium

C) not in equilibrium

D) neutral equilibrium

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