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

3 Mass can neither be created nor destroyed.

Step-by-step explanation:

Not number 1 because The law of conservation of mass states that mass in an isolated system is neither created nor destroyed by chemical reactions or physical transformations. Not 2 One of these is called the law of conservation of mass , which states that during a chemical reaction, the total mass of the products must be equal to the total mass of the reactants. not 4 go back to number 1 and look why so its 3