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Answer:
a) Order of a reaction is always a whole number
Explanation:
Order of a reaction is not always whole number. It can be zero, or fractional .
To answer the questions,
(1) Activation energy is the amount of energy that is needed for the reaction to proceed, converting the reactant to products. The answer is letter B.
(2) The rate of chemical reaction normally increases as the reactant concentration is increased. The answer is letter C.
