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Chapter 7 CHEMICAL EQUATION MCQs

1. . Reactant that consume earlier in chemical reaction is:

(A) Excess reactant


(B) Percent conversion


(C) Limiting reactant


(D) None




2. . The excess reactant is the reactant in a chemical reaction with greater amount than necessary to react completely with the limiting reactant:

(A) None


(B) Limiting reactant


(C) Percent conversion


(D) Excess reactant




3. . The fraction (or percentage) of the limiting reactant converted into products:

(A) Excess reactant


(B) Limiting reactant


(C) degree of completion


(D) Percent conversion




4. . The fraction (or percentage) of the reactants that actually reacted during the reaction:

(A) Excess reactant


(B) Limiting reactant


(C) Percent conversion


(D) Degree of completion




5. . The method of representing a chemical reaction with the help of symbols and formulae of the substances involved in it is known as:

(A) Dimension


(B) Basic Quantity


(C) Chemical Equation


(D) Chemical formula




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