Question

A positive catalyst is a substance which:
A. Lowers the energy of activation of a reaction B. Increases the energy of activation of a reaction
C. It takes part to enhance the rate of reaction D. None of the above​

Answer 1

Answer:

A catalyst is a chemical substance that either increases or decreases the rate of a chemical reaction. In the case of activation energy, a catalyst lowers it. However, the energies of the original reactants remain the same. A catalyst only alters the activation energy

Explanation:

Answer 2

Answer:

A positive catalyst is a substance which:

A positive catalyst is a substance which:A. Lowers the energy of activation of a reaction B. Increases the energy of activation of a reaction

A positive catalyst is a substance which:A. Lowers the energy of activation of a reaction B. Increases the energy of activation of a reactionC. It takes part to enhance the rate of reaction D. None