Question

Rakhi took a mixture of sand , commom salt and ammonium chloride in a china dish . She had covered the china dish with an inverted glass funnel and plugged in a little cotton at the opening of the stem of the funnel . On heating the mixture of white fumes evolved . These fumes are of ?

Answer 1

HEYA MATE, HERE IS UR ANSWER ___________________________

The white fumes that evolved on heating the mixture are of Aluminium Chloride.
As aluminium Chloride is a volatile substance and shows sublimation, it gets directly converted into gaseous state on heating which Rakhi observed as white fumes.

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Answer 2

Ammonium chloride.....