Question

I (4) List the characteristics of a chemical change

Answer 1

Part I - Definition of chemical change

The change which is accompanied by the change in the chemical composition of the substance and new substances that are formed due to the occurrence of chemical reactions are known as chemical changes.

Part II - Characteristics of a chemical change

• The new substances are formed in a chemical change in form of products.
• The new substances formed have varied chemical compositions and their physical properties changes.
• The change agent such as heat, light, electricity, or another substance is needed.