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31. An unripe mango placed in a concentrated salt solution to prepare pickle shrivels because

a. It gains water due to osmosis

b. It loses water due to reverse osmosis

c. It gains water due to reverse osmosis

d. It loses water due to osmosis

Ans. d

Explanation : When an unripe mango is placed in c concentrated salt solution to prepare pickle then mango loose water due to osmosis and get shrivel.

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