Question

What are the characteristics of a chemical change? Why a cooking of food considered as a chemical change?​

Answer 1

Answer:

The characteristics of chemical changes are -

• radiation or absorption of heat
• production of sound
• change in the colour of the substance
• formation of gas
• change in the smell of the substance
• formation of solid

Cooking of food is considered as a chemical change as a new substance is formed. Also it is irreversible.

Answer 2

Answer:

bhai plz answer my question plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz