Question

common salt has been used to preserve what?

Answer 1

Explanation:

Common salt has been used to preserve meat and fish for ages. Meat and fish are covered with dry salt to check the growth of bacteria. Salting is also used to preserve amla, raw mangoes, tamarind, etc

Answer 2

Answer: common salt is mostly used to preserve marine food ,beef etc

if you go to a supermarket you can see the fish being kept in salt crystals to preserve them.