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Subjects
Science State Board
Class 9
Matter around us
Classification of matter
2.
Choose the correct answer: Compounds and mixtures
Exercise condition:
2
m.
1
.
Which of the following techniques is based on the fact that denser particles move to bottom while spinning?
Centrifugation
Distillation
Fractional distillation
Sublimation
2
.
Identify the element from the given options.
Magnesium
All of these
Copper sulphate
Methane
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