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Test for Carbon Dioxide

The chief sou...

Question

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

A

Carnallite

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B

Sea weeds

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C

Caliche

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D

Iodine never exist as sodium iodate

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Solution

The correct option is D Caliche
Caliche is crude chile salt petre ( $N a N O_{3}$ ) which contains iodine as sodium iodate, $N a I O_{3}$ impurity.

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