Question

Which of the following statements about chemical reactions is false?

O Chemical reactions result in the formation of new elements not previously in the reaction mixture.
O Chemical reactions in biological systems are accelerated by enzymes.
O Products of chemical reactions can have very different properties than the reactants.
O Chemical reactions involve changes in bonds between atoms.

Answer 1

A is incorrect.

Step-by-step explanation:

Enzymes speed up/assist in chemical reactions by DECREASING the activation energy needed for a reaction. This is what C is saying.