Question

The total mass of the substances involved in a chemical change remains constant.

• A. True
• B. False

Answer 1

The correct option is A True

Chemical change:

• It is a permanent change in which the original substance loses its own composition and properties.
• In a chemical change, one or more new substances with different compositions and properties are formed.
• Mass is neither created nor destroyed during a chemical change. This is known as Law of Conservation of mass.

Therefore the given statement is true.