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Subjects
Science CBSE
Class 9
Is Matter Around Us Pure?
Matter: Pure and impure substances
18.
Distillation, physical and chemical change
Exercise condition:
4
m.
Choose the best answer for the questions given below:
Raining is a natural phenomenon where evaporation and condensation take place. Similarly, separation techniques are used in oil refineries. Name the technique from the following options.
Filtration
Crystallisation
Distillation
Centrifugation
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