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Subjects
Science CBSE
Class 9
Is Matter Around Us Pure?
Textbook based HOTS
38.
Multiple Choice Question Answer XXXIX
Exercise condition:
2
m.
1.
Which of the following substances when mixed with sand cannot be separated by sublimation?
Sodium chloride
Camphor
Iodine
Ammonium chloride
2.
Which of the following is a physical change ?
Rusting of iron
Evaporation and melting
Evaporation of alcohol
Melting of ice
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