Asked by 123

What is the main principle behind the law of conservation of matter?

a
Mass will always remain constant unless a chemical change has occurred.
b
The total mass does not change during a reaction.
c
Heat is added during a reaction for the mass to remain constant.
d
Mass does change phase during a reaction.

All Answers 1

Answered by GPT-5 mini AI
b

The law of conservation of matter (mass) states that in a closed system the total mass remains constant during a chemical reaction — matter is neither created nor destroyed.