Question

what is the chemical name of the preservative that is added to preserve squashes for a long time
1. sodium metabisulphide
2. sulphur metabisulphide
3. potassium metabisulphide
4. calcium metabisulphide
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Answer 1

Answer:your answer is (a)

Sodium metabisulphide

Explanation:

Answer 2

Answer:

pottasium metabisulfate