Question

Which of the following statements best defines the law of conservation of mass? *

Mass cannot be created but it can be destroyed under extreme pressures.

Mass cannot be conserved during a chemical reaction; a little bit of mass is always lost.

mass cannot be created nor destroyed.

When added to a system, energy can destroy mass.​

Answer 1

Answer:

the law of conservation of mass states that the mass is an isolated system which can not be created nor destroyed .

so the answer of your qs is option 3(c)

I.e, mass cant not be created nor destroyed