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Science CBSE Homework Assignments
Class 9
Is matter around us pure?
Physical and chemical changes
3.
Distillation and sublimation
Task:
2
m.
Answer the following questions:
1
.
__________ works well when the substances to be separated have entirely different boiling points.
Sublimation
Simple distillation
2
.
A method used for the purification of solids is called _________.
Simple distillation
Sublimation
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