Question

Potassium metabisulfite used as a food preservative is

Answer 1

Answer:

Potassium metabisulfite is a food preservative, which preserves the natural color of food and protects food against bacteria. Winemakers also use potassium metabisulphite to preserve bottled wines. The manufacturing industry uses potassium metabisulphite as a dye and printing agent, in gold processing and in photography for developing.

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Answer 2

because this doesnt allow decaying of food materials .so pottasium metabisulphite used as a food preservatives