Science Quiz 63

This is a timed quiz. You will be given 15 seconds per question. Are you ready?

Name a technique which is used for separating two or more dissolved solids which are present in a solution in very small quantities?

Crystallisation

Chromatography

Centrifugation

none

Correct! Wrong!

For dryness why crystallisation is a better technique than evaporation?

Impurities get removed.

Solid gets charged.

Decomposition of solid takes place..

none

Correct! Wrong!

Which of the following is the property of Solid?

Have low density

Have definite shape

Intermolecular force is less

none

Correct! Wrong!

Diffusion in liquids is an example of:

Spreading of ink in water.

Fragrance of incense stick.

Smell of perfume

none

Correct! Wrong!

The process in which heat is required to convert a liquid into the vapour state is known as:

Latent heat of Vaporisation

Melting

Condensation

none

Correct! Wrong!

Name the particles which make up matter?

Non metals

Metals

Metalloids

Atoms

Correct! Wrong!

By which technique salt is obtained from sea-water?

Chromatography

Evaporation

Filtration

none

Correct! Wrong!

By which apparatus a mixture of an immiscible liquid is separated?

Beaker

Distillation Flask

Separating Funnel

none

Correct! Wrong!

Science Quiz 63

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Science Quiz 63

Name a technique which is used for separating two or more dissolved solids which are present in a solution in very small quantities?

For dryness why crystallisation is a better technique than evaporation?

Which of the following is the property of Solid?

Diffusion in liquids is an example of:

The process in which heat is required to convert a liquid into the vapour state is known as:

Name the particles which make up matter?

By which technique salt is obtained from sea-water?

By which apparatus a mixture of an immiscible liquid is separated?

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Science Quiz 63

Name a technique which is used for separating two or more dissolved solids which are present in a solution in very small quantities?

For dryness why crystallisation is a better technique than evaporation?

Which of the following is the property of Solid?

Diffusion in liquids is an example of:

The process in which heat is required to convert a liquid into the vapour state is known as:

Name the particles which make up matter?

By which technique salt is obtained from sea-water?

By which apparatus a mixture of an immiscible liquid is separated?

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