Separating Mixtures

Filtration can be used to separate...

• an insoluble solid from a solution

• a soluble solid from a solution

• a dissolved solid from a solution

A separation technique which uses a fractionating column to separate different liquid components in a mixture with different boiling points by heating mixture is called

• Fractional distillation

• filtration

• crystallization

• evaporation

What is a sieve and what is is based on?

• A sieve is a mesh or piece of netting in a frame and is based on size.

• A sieve is a solid frame and is based on weight.

• A sieve is a mesh and is based on molecule.

• A sieve is a piece of frame and is based on moisture.

An insoluble substance in a liquid can be separated by

• Filtration

• Sedimentation

• Winnowing

• None

Method for separating larger and smaller substances is..

• Threshing

• Decantation

• Crystallization

• Sieving

Which method is used to separate pebbles and stones from sand

• Handpicking

• Winnowing

• Seiving

• Any of these

Filtration is a method to separate the components of

• Solution

• Mixture of a liquid and an insoluble substance

• Both (a) and (b)

• Pure substance

The process of separating a liquid from solid sediment is called_________________

When milk, cooled after boiling, is poured onto a piece of cloth the cream (malai) is left behind on it. This process of separating cream from milk is an example of ______________

This method is commonly used to obtain common salt from sea water.

• Evaporation

• Filtration

• Crystallisation

• Centrifugation

Tags

NGSS.MS-PS1-4