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Class VI >> Science >> Separation of Substances >> A1

Q1	Salt is obtained from the seawater by the process of _________.
A	Evaporation
B	Sedimentation
C	Condensation
D	Filtration

Q2	Air is a __________.
A	Compound
B	Mixture
C	Pure Substance
D	Element

Q3	The process that is used to separate components of a mixture having different sizes.
A	Winnowing
B	Threshing
C	Sieving
D	Handpicking

Q4	Which of the following method is used to separate two immiscible liquids?
A	Threshing
B	Sieving
C	Winnowing
D	Separating Funnel

Q5	Which one of the following solid is miscible in water?
A	Chalk
B	Sand
C	Concrete
D	Sugar

Q6	The mixture of a solute and a solvent is called as ___________.
A	Solution
B	Element
C	Compound
D	Mixture

Q7	A mixture of chalk and water can be separated by _________.
A	Filtration
B	Sieving
C	Sedimentation
D	Condensation

Q8	The process that is used to separate slightly large particle impurities like the pieces of dirt, stone and husk from wheat, rice or pulses.
A	Winnowing
B	Threshing
C	Handpicking
D	Sieving

Q9	The solubility of water __________ with an increase in water content.
A	Increases
B	Decreases
C	Remain Same
D	Sometimes Increases and Sometimes Decreases

Q10	Which of the following pair of substance may be separated and recovered through the process of distillation?
A	Water and Salt
B	Water and Alcohol
C	Salt and Sand
D	Sand and Soil

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