Question

Burning of coal is chemical change give reason​

Answer 1

Answer:

When burned, the carbon is converted to carbon dioxide and the hydrogen to water. Each of those reactions produces a slightly different amount of heat. This process cannot be reversed and hence, the burning of coal is a chemical change.

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Answer 2

Answer:

Burning of a coal is a chemical change because if we burn coal ash is formed and it is not reversible.

As we know burning of any substance is a chemical change.

Hope it helps you!!!