Question

which of the following process undergo a chemical change.

digestion of food, respiration, evaporation of water, burning of wood
answer fast​

Answer 1

Answer:

Burning of wood

Explanation:

Burning of wood is a chemical change as new substances which cannot be changed back (e.g. carbon dioxide) are formed. For example, if wood is burned in a fireplace, there is not wood anymore but ash. Other examples include burning of a candle, rusting of iron, baking a cake, etc.

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Answer 2

Answer:

burning of wood

Explanation:

chemical change means a new substance is formed in process if we burn wood the ash will be new substance so burning of wood

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