Question

What is chemical changes? Give two example ​

Answer 1

A permanent change in which the chemical composition of a substance is changed and a new substance is formed is called as chemical change.

Examples:

• Iodine and phosphorus react explosively when brought into close contact.

• Plants produce glucose form carbon dioxide and water in presence of sunlight.

Answer 2

Answer:

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Explanation:

change in molecular composition, shape, color, state of matter etc. example: digestion, ripening of fruit