Question

What is physical and chemical change? Give one example.

Answer 1

Answer:Physical change:The temporary and reversible change in which no new substances is formed is called physical change. eg;Melting of ice or wax.

Chemical change : The permanent change in which a new substances having different properties is formed is called chemical change. eg Rusting of iron.

Explanation:

Answer 2

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Properties such as shape, size, colour and state of a substance are called it's physical properties. A change in which a substance undergoes a change a physical properties is called a physical change. A physical change is generally reversible. In a such change no new substance is formed..