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Sublimation

A student has...

Question

A student has done the labelling for the experimental set-up for separating a mixture of sodium chloride and camphor as indicated in the diagram given here. The parts/substances that have been incorrectly labelled are :

(1) I, III, VIII
(2) II, III, VII
(3) I, II, VIII
(4) III, V, VII

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Solution

In the given figure, label "I" is represented as cork which is wrong, it is a cotton plug.
Label "II" is represented as separating funnel, it is an inverted funnel, not a separating funnel.
Label "VIII" is represented as pure NaCl, but it is sublimate of camphor.

Hence, the correct answer is option 3.

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