Detailed explanation and options for the selected question.
Which chemical is commonly added to table salt to prevent iodine deficiency?
A.
Iron
B.
Zinc
C.
Iodine
D.
Fluoride
Explanation:
Iodine is added to table salt (iodized salt) to prevent goiter and iodine deficiency. Iron or zinc are not typically added to salt, fluoride can be added to water.
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