MEDIUM
9th CBSE
IMPORTANT
Earn 100

A solution is always a liquid. Comment.

Important Questions on Is Matter Around Us Pure?

EASY
9th CBSE
IMPORTANT
Can a solution be heterogeneous?
EASY
9th CBSE
IMPORTANT

Give an example for the mixture having the following characteristics. Suggest a suitable method to separate the components of the mixture.

A volatile and a non-volatile component.

MEDIUM
9th CBSE
IMPORTANT

Give an example for the mixture having the following characteristics. Suggest a suitable method to separate the components of the mixture. 

Two volatile components with appreciable difference in boiling points.

MEDIUM
9th CBSE
IMPORTANT

Give an example for the mixture having the following characteristics. Suggest a suitable method to separate the components of the mixture. 

Two immiscible liquids.

MEDIUM
9th CBSE
IMPORTANT

Give an example for the mixture having the following characteristics. Suggest a suitable method to separate the components of the mixture.

One of the components changes directly from solid to gaseous state.

EASY
9th CBSE
IMPORTANT

Give an example for the mixture having the following characteristics. Suggest a suitable method to separate the components of these mixtures.

Two or more coloured constituents soluble in some solvent.

HARD
9th CBSE
IMPORTANT
Fractional distillation is suitable for separation of miscible liquids with a boiling point difference of about 25 K or less. What part of fractional distillation apparatus makes it efficient and possess an advantage over a simple distillation process. Explain using a diagram.
HARD
9th CBSE
IMPORTANT
You are provided with a mixture containing sand, iron filings, ammonium chloride and sodium chloride. Describe the procedures you would use to separate these constituents from the mixture.