Read the paragraph and answer the following questions.
One day Muskan saw her mother making pickle. Her mother cut the
carrots, turnips 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 cut 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 ?
Answers
Answered by
21
Answer 1 - 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. and fungi on the vegetables.
Answer 2- The process is known as preservation. Salt acts as a preservative which prevents the growth of microorganisms by absorbing water (moisture) remaining in the pieces and hence, increases the shelf life of pickle.
Answer 3- She mixed 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.
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Answered by
5
Answer:
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.
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