Question

24. Give reasons :
Vacuum packing is commonly used for storing nuts.
Even pasteurized milk needs to be stored under refrigeration.
(iii) A small amount of citric acid and phosphoric acid is added to fruit drinks.​

Answer 1

Answer:

24. Give reasons :

Vacuum packing is commonly used for storing nuts.

Even pasteurized milk needs to be stored under refrigeration.

(iii) A small amount of citric acid and phosphoric acid is added to fruit drinks.

Answer 2

Answer:

1 )Vacuum packing reduces atmospheric oxygen, limiting the growth of aerobic bacteria or fungi.

3)A small amount of citric acid and phosphoric acid is added to fruit drinks.

Explanation:

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