Question

Which among the following is
not an example of reversible
change
Dissolving sugar in water
Changing of wheat to flour
19
Folding up of a paper
None of these​

Answer 1

Heating, burning, mixing, powdering are few processes which cause irreversible changes. A common observable example is the cooking of raw egg which can't be converted back to its original form. Ash obtained by the combustion of paper or any other substances is another example.

Answer 2

Answer:

Changing of wheat to flour is a chemical change so, it is not an example of rversible.

Explanation:

Since we are able to change wheat to flour but we unable to change the flour to wheat again.

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