D
Question 3
A catalyst is considered as a reactant in a chemical reaction.
o True
o False

A catalyst is considered as a reactant in a chemical reaction.

False

Explanation:

A catalyst hasten the chemical process of a reaction involving reactants and the end products. Catalyst is not part of the reaction as it only helps to hasten up the chemical reaction

the rocks are classified by the geological process they are formed by. the three main groups of rocks are igneous, metamorphic, and sedimentary. minerals are not they are classified under the chemical classes they are in. these groups include silicates, sulfates and carbonates.