Chemistry
Distinguish by heating the following in dry test tube.
ammonium chloride and iodine
Practical Chemistry
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Answer
On heating ammonium chloride, white crystalline solid sublimates to form a basic gas (NH3) and acidic gas (HCl). The dense white fumes are noticed that form a white mass on the cooler parts of the test tube.
On heating iodine, violet crystalline solid sublimates to form violet vapours. These vapours settle down on cooler parts of test tube to form violet crystals.
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