One day Muskan saw her mother making pickle. Her mother cut the carrots, turnip and cauliflowers into small pieces, washed them and put them in the sun for few hours. Thereafter, she mixed common salt, oil, paste of onion, ginger and garlic, gur, red chilli, turmeric powder, acetic acid, etc. As per requirement with the cut vegetables and heated them. After cooling, she put the contents in the air tight jar and kept it in the sun for many days. (i)Why did Muskan’s mother cur the vegetables into small pieces and put them in the sun for few hours? (ii) Why did she mix common salt in the cut vegetables and heated it? Name the process involved. (iii) Why did she mix acetic acid?

Question

One day Muskan saw her mother making pickle. Her mother cut the carrots, turnip and cauliflowers into small pieces, washed them and put them in the sun for few hours. Thereafter, she mixed common salt, oil, paste of onion, ginger and garlic, gur, red chilli, turmeric powder, acetic acid, etc. As per requirement with the cut vegetables and heated them. After cooling, she put the contents in the air tight jar and kept it in the sun for many days. (i)Why did Muskan&#x2019;s mother cur the vegetables into small pieces and put them in the sun for few hours? (ii) Why did she mix common salt in the cut vegetables and heated it? Name the process involved. (iii) Why did she mix acetic acid?

Philoid · Accepted Answer

(i) Muskan’s mother cut the vegetables into small pieces and put them in the sun for hours to dry them by losing water through diffusion and evaporation.

(ii) Mixing common salt in the vegetables triggered the process of exosmosis so that they lose more

water which then evaporated during heating. The prevents the growth of microorganisms like bacteria

and fungi on the vegetables.

(iii) She mixed acetic acid as it acts as a preservative and kills microorganisms which can destroy the

vegetables.