Question

Which statement is true regarding a chemical reaction?

Even if the total number of atoms changes, mass may not be conserved in the reaction.
Even if the total number of atoms changes, mass may not be conserved in the reaction.

The total number of atoms does not change, so mass is conserved in the reaction.
The total number of atoms does not change, so mass is conserved in the reaction.

Even if the total number of atoms does not change, mass may not be conserved in the reaction.
Even if the total number of atoms does not change, mass may not be conserved in the reaction.

The total number of atoms changes, so m

Answer 1

I can't understand I am indian

Answer 2

The same number of each type of atom will always be present before and after a chemical reaction takes place.

Explanation: