Question

Which of the changes given below are chemical changes? Give reasons for you
answers.
a. Cutting grass b. Burning toast Making tea with a tea bag and water d ryingan
egg e Combustion of petrol in a car f. Ironing of dothes g. Preparing custard from
milk h. Drying wet hair​

Answer 1

Answer:

b,c and e are chemical changes as these changes can not reversed.

And the reactants can't be back.

Explanation:

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Answer 2

Answer:

chemical change

b, c, e,g