1.

The chief source of iodine in which it is present as sodium iodate is

Answer»

Sea weeds
Caliche
Carnallite
Iodine never exists as SODIUM iodate

Solution :Caliche is CRUDE chile salt petre `(NaNO_(2))` which contains about 0.02% iodine as sodium iodate `(NaIO_(3))`.


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