Question

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24. (i) What is sublimation? Name two substances (other than NHACI)
which undergo sublimation.
(ii)Draw a labeled diagram of the experimental setup to
demonstrate the sublimation of Ammonium Chloride.words above 80-90​

Answer 1

Answer:

(i) Sublimation is the transition of a substance directly from the solid to the gas phase without passing through an intermediate liquid phase. Ex :Snow and water ice are constantly sublimating. Solid Iodine, also, Zinc and Cadmium (under low pressure), and Naphthalene (moth-balls) are other exampl

(ii)We know that ammonium chloride changes directly from solid to gaseous state on heating. So, in order to separate a mixture containing a sublimable volatile component from a non-sublimable impurity (salt in this case), the sublimation process is used.

Answer 2

Answer:

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