Question

what do you observe when ammonium chloride is heated​

Answer 1

Answer:

On heating strongly above 340oC, the white solid ammonium chloride, thermally decomposes into a mixture of two colourless gases ammonia and hydrogen chloride. On cooling the reaction is reversed and solid ammonium chloride reforms.

Answer 2

Answer:

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Ammonium chloride, when heated, undergoes thermal dissociation, to form ammonia and hydrogen chloride. Ammonia and hydrogen chloride recombine at the cooler upper parts of the test tube, and settle down as a white layer..