Separation of substance

Mention the method used for separating the following mixtures.

a) Wheat & husk

b) Sand & sugar from water

• a) Winnowing b) condensation, Evaporation

• a) Winnowing b) Sedimentation, Decantation, Evapration

• a) Threshing b) Sedimentation, Decantation, Evapration

• a) Threshing b) Sedimentation, Decantation, Evapration

Which method is used to separate pebbles and stones form sand quickly?

• Winnowing

• hand picking

• Sedimentation

• Sieving

The process of conversion of steam into water is called?

• Evaporation

• Condensation

• Sedimentation

• Sublimation

The property which forms the basis of sieving

• Difference in size

• Difference in colour

• Difference in solubility

• Difference in shape

Which is the best and efficient method to separate fine mud from water

• Sedimentation

• Decantation

• Filtration

• Sedimentation and decantation

Which is the best and quick methid to separate Iron powder from chalk powder

• Filtration

• Sedimentation

• Decantation

• magnetic separation

Salt is obtained from sea water by

• Evaporation

• Sedimentation

• Condensation

• Filtration