Question

There is a change in the mass of the substance undergoing a chemical change.

• A. True
• B. False

Answer 1

The correct option is A True

Chemical change - When two or more substances react to form one or more new substances, the change is called a chemical change.

Example- Rusting of iron, ripening of fruit, germination of seeds, digestion of food, etc.

Characteristics of chemical change -

• A chemical change is a permanent and irreversible change.
• It always involves the formation of one or more new substances.
• There is a change in the net energy of the system.
• The properties and composition of the newly formed substance are entirely different from the original substance.
• There is a change in the mass of the substance undergoing a chemical change.

Thus, the given statement is true.