Because of Our Belief in the Law of Conservation of Mass

Multiple Choice

Because of our belief in the law of conservation of mass, it seems reasonable that

A) in combustion reactions, part of the mass of the reactants must be converted into fire.
B) the mass of a newly formed compound cannot be changed.
C) molecules cannot be broken down, for the mass would be reduced.
D) the number of atoms of reactants must equal the number of atoms of products.