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Separating Mixtures

Total questions: 14

Worksheet time: 8mins

Name
Class
Date
1.

Identify the separating of mixtures in this process as shown in the picture.

(a)  

2.

Which is not an example of mechanical ways in separating mixtures.

a)

Centrifugation

b)

Electrolysis

c)

Condensation

d)

Evaporation

3.

What term in Science is the bigger particle trapped by the filter paper when you use filtration processes.

(a)  

4.

This method drives off the liquid components from the solid components. The process typically involves heating the mixture until no more liquid remains

a)

Condensation

b)

Fumigation

c)

Centrifugation

d)

Evaporation

5.

A process for the separation of mixtures of immiscible liquids or of a liquid and a solid mixture such as a suspension

a)

Condensation

b)

Decantation

c)

Filtration

d)

Solidification

6.

Name of the device, generally driven by an electric motor, that puts an object, e.g., a rotor, in a rotational movement around a fixed axis.

a)

Centrifugal Force

b)

Centrifugation

c)

Centrifuge

d)

Centripetal Force

7.

A technique that helps to separate mixtures by applying centrifugal force.

a)

Centrifuge

b)

Centrifugation

c)

Centrifugal

d)

Centrifugal force

8.

Method used for separating and identifying mixtures that are or can be colored, especially pigments

a)

Chloroform

b)

Chromatography

c)

Photography

d)

Staining

9.

A purification process where the components of a liquid mixture are vaporized and then condensed and isolated.

a)

Distillation Process

b)

Condensation Process

c)

Evaporation Process

d)

Filtration Process

10.

In simple distillation, a mixture is heated, and the most volatile component vaporizes at the lowest temperature. The vapor passes through a cooled tube (a condenser), where it condenses back into its liquid state. The condensate that is collected is called (a)  

11.

This is only useful when the particles are large enough to be seen clearly.

a)

Foot Picking

b)

Hand Picking

c)

Mouth Picking

d)

Tail Picking

12.

Mixture is allowed to fall from a height. The lighten components get separated from the heavier ones because of wind or air blow. This method is used to separate lighter husk from heavier Grains like wheat.

a)

Sieving

b)

Winnowing

c)

Hand Picking

d)

Treshing

13.

Method that generally used by the farmers to separate the grains from the stalks after harvesting. The dried stalks are beaten or threshed to separate the grains.

a)

Hand picking

b)

Sieving

c)

Winnowing

d)

Threshing

14.

Process in which magnetically susceptible material is extracted from a mixture using a magnetic force

a)

Magnetism

b)

Sieving

c)

Polarity

d)

Threshing