____________is used to recover a solid substance from its solution.
Centrifugation
Filtration
Sedimenation
Evapouration.
____________is used for separating two immiscible liquids such as oil and water.
Distillation
Separating funnel method
Evaporation
Crystallisation
During sedimentation,the finer particles can be made to settle faster by dissolving a small quantity of alum in muddy water.This method is called __________.
Winnowing
siewing
loading
sublimation
______________has a fixed melting or boiling point.
pure substance
Mixtures
impure substance
complexes
___________is used for separation of the coarse particles of sand in muddy water.
decantation
Sieving
Sublimation
winnowing
The process of separating grain from husk and hay with the help of wind is called_________.
hand picking
seiving
_________method is used when one of the constituents of a mixture is magnetic.
magnetic separation
Mixtures in which particles of the substances present can be easily seen are called______________.
pure substances
heterogeneous mixture
homogeneous mixture
Compounds
_________of a substance can be checked by measuring or examining some of its characteristic properties.
Constituent
Elements
Purity
Reactivity