Question

What do you mean by physical and chemical change give example

Answer 1

Physical changes are reversible.... Ex: conversion of ice into water n then again into vice....

While chemical change is irreversible.... Ex: Ripening of fruits

Answer 2

Physical Change:

• A change in which no new substance is formed is called physical change.

Examples:

• tearing of paper.
• cutting a cauliflower.
• freezing of water.
• glowing of bulb.

Chemical change:

• A change in which a new substance is formed is called chemical change.

Examples:

• respiration in living beings.
• cooking of food.
• burning of paper or fuels.
• growth of plants.