A) Mixture of NaCI and \[N{{H}_{4}}Cl\] can be separated by sublimation
B) Mixture of camphor and \[N{{H}_{4}}Cl\] can be separated by sublimation
C) Mixture of \[NaCl\] and camphor can be separated by sublimation
D) Both (a) and (b)
Correct Answer: D
Solution :
Mixture of \[NaCl\] and \[N{{H}_{4}}Cl\] can be separated by sublimation. Mixture of camphor and \[N{{H}_{4}}Cl\] cannot be separated by sublimation because both are volatile in nature. It can be separated by physical method. Mixture of \[NaCl\] and camphor can be separated by sublimation.
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