Question

According to the law of conservation of mass, which statement is true?

Question 1 options:

Mass can be created by chemical reactions.


The mass of the products in a chemical reaction do not have to equal the mass of the reactants.


Mass can neither be created nor destroyed.


Mass can only be destroyed by physical transformations.

Answer 1

The mass of the products in a chemical reaction do not have to equal the mass of the reactants b

Answer 2

Mass can neither be created nor destroyed.

Step-by-step explanation:

Mass can not be created or destroyed, it can only be preserved during a chemical reaction