Question

chemical used to preserve the refrigerated food

Answer 1

Chemical preservation entails adding chemical compounds to the product. Physical preservation entails processes such as refrigeration or drying. Preservative food additives reduce the risk of foodborne infections, decrease microbial spoilage, and preserve fresh attributes and nutritional quality.
There are three classes of chemical preservatives commonly used in foods preservation : Benzoates (such as sodium benzoate) Nitrites (such as sodium nitrite) Sulphites (such as sulphur dioxide)
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Answer 2

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~* THE ANSWER OF YOUR QUESTION IS..*~

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CHEMICAL USED TO PRESERVE THE REFRIGERATED FOODS ARE:-

NITRITES

SULPHITES

BENZOATES

SORBATES....etc

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