Question

Which statement is true about a catalyst? A. A catalyst decreases the rate of the reaction. B. A catalyst is consumed during a chemical reaction. C. A catalyst lowers the activation energy of a reaction. D. A catalyst increases the reactant concentration during a reaction.

Answer 1

C a catalyst changes the path of reactants by lowering the activation energy

Answer 2

d Is the right answer...
marks as brainlist if You wish.