Q.

 Which of the following are used as food preservatives?

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a

Table salt

b

Benzoic acid

c

Sodium hydrogen carbonate

d

Sorbic acid

answer is A, B, C.

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Detailed Solution

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Food preservatives prevent spoilage of food due to prohibiting microbial growth. The most commonly used preservatives include table salt, sugar, vegetable oils and sodium benzoate, C6H5COONa. Sodium benzoate is used in limited quantities and is metabolised in the body. Salts of sorbic acid and propanoic acid are also used as preservatives.

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