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7th ICSE
IMPORTANT
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How is fractional distillation used to separate a mixture of alcohol and water?

Important Questions on Elements, Compounds and Mixtures

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7th ICSE
IMPORTANT
How is paper chromatography used to separate the components of ink?
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7th ICSE
IMPORTANT
Why do we need to separate mixtures?
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7th ICSE
IMPORTANT

What is common to the following process? (Hint: What is the principle involved?)

winnowing, gravitational separation, centrifugation

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7th ICSE
IMPORTANT

What is common to the following process? (Hint: What is the principle involved?)

sedimentation and filtration, using a separating funnel

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7th ICSE
IMPORTANT

What is common to the following process? (Hint: What is the principle involved?)

sieving, filtration

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7th ICSE
IMPORTANT
You are given a mixture of white chalk powder, common salt and ammonium chloride, all of which are white powders. How will you obtain all the components separately?