Question

Paheli mixed flour and water and (i) made a dough (ii) rolled the dough to make a chapati (iii) baked the chapati on a pan. (iv) dried the chapati and ground it in a grinder to make powder. Identify the changes (i) to (iv) as the changes that can be reversed or that cannot be reversed.

April 27, 2024

Answer

(i) Irreversible

(ii) reversible

(iii) Irreversible

(iv) Irreversible

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