state why sublimation ammonium chloride is both physical and chemical changes
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Sublimation is the process of change of state from solid directly into vapour. ... Ammonium chloride decomposes into ammonia and hydrochloric acid at its sublimation temperature. So, it also changes into a different set of compounds on heating during sublimation and thus is a chemical change.
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Sublimation is the process of change of state from solid directly into vapour. As there is no change in the composition of the compound just a change of state, sublimation process is a physical change. Ammonium chloride decomposes into ammonia and hydrochloric acid at its sublimation temperature.
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