Chemical
bonds between atoms in reactants undergo change during a chemical
reaction.
The substance (or substances) initially involved in a chemical reaction are
called reactants or reagents. Chemical reactions are
usually characterized by a chemical change,
and they yield one or more products, which usually have properties different
from the reactants.
The correct answer between all
the choices given is the last choice or letter D. I am hoping that this answer
has satisfied your query and it will be able to help you in your endeavor, and
if you would like, feel free to ask another question.
