Question

Salts available in the market often contain added iodine in them.why?​

Answer 1

Explanation:

Iodised salt (also spelled iodized salt) is table salt mixed with a minute amount of various salts of the element iodine. The ingestion of iodine prevents iodine deficiency. Worldwide, iodine deficiency affects about two billion people and is the leading preventable cause of intellectual and developmental disabilities.

Answer 2

Iodine is important for a person's thyroid to function normally. ... In fact, iodine deficiency is the most common preventable cause of mental retardation. Iodine (in the form of iodide) is added to table salt to help prevent iodine deficiency. Since the 1980s there have been efforts to have universal salt iodization.