Question

In a chemical change, the original substance disappears:

Agree or Disagree?

Answer 1

In chemical changes the amount of particular substances may change but the total amount of materials does not. In chemical changes as in physical changes matter cannot disappear nor appear from nowhere. It can only react to form something else.

Answer 2

Answer: it’s false

Explanation: In chemical changes the amount of particular substances may change but the total amount of materials does not. In chemical changes as in physical changes matter cannot disappear nor appear from nowhere. It can only react to form something else