Question

When one or more substances undergo a chemical reaction,

the
a
Mass of the reactant increases and the mass of the
product decreases.
Mass of the reactant decreases and the mass of
b the product increases but the total mass remains
the same.
C
Mass of the product and the reactant remains the
same.
d None of the above

Answer 1

Answer : C

Explanation - This is called the Law of conservation of mass. No atoms are created or destroyed in a chemical reaction, therefore the total mass all the reactants stay the same.