Question

Potassium bisulfite food preservative

Answer 1

Answer:

Benzoic acid or its sodium salt, sodium benzoate is commonly used for the preservation of food materials. ... Potassium bisulphite on reaction with acid of the juice liberates Sulphur dioxide which is very effective in killing the harmful micro-organisms present in food and thus prevents it from getting spoiled

Explanation:

I hope you like it

Answer 2

Potassium bisulphite is used for the preservation of colourless food materials such as fruit juices, squashes, apples and raw mango chutney. This is not used for preserving coloured food materials because Sulphur dioxide produced from this chemical is a bleaching powder.

hope it helps...

Mark it as Brainliest answer....