a test on separation techniques

1. Separation techniques checklist ^_^
If you want to get obtain a solid from a mixture of solid and liquid, what method do you
choose?
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If you want to obtain a liquid instead, what method do you use?
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Filtration is used to separate _________________ and _______________
Filtration works because _________ can pass through the ____________ of the filter whereas
____________ cannot.
Crystallisation is used to separate
(a) Liquid from insoluble solid
(b) Liquid from soluble solid
(c) Insoluble solid from liquid
(d) Soluble solid from liquid
A solution comprises both the _______________ and the ______________
The crystals obtained from a solution represent the ______________ in that solution
What happens when a liquid is heated till it reaches its boiling point?
(a) The molecules in the liquid gain kinetic energy
(b) The molecules in the liquid gain heat energy
(c) The molecules in the liquid move faster
(d) Only (b) and (c)
(e) All of the above
Salt can be obtained from sea water using the technique of
(a) Crystallisation
(b) Filtration
(c) Distillation
Whereas water can be obtained from sea water using the technique of
(a) Crystallisation
(b) Filtration
(c) Distillation
Which process is necessary during distillation and fractional distillation to obtain the final
product?
(a) Evaporation
(b) Condensation
(c) Separation

2. Distillation works by separating liquids based on
(a) Heating
(b) Evaporation
(c) Temperature at which a liquid is converted into a gas
If you have a mixture of sand, salt, and water, how would you obtain pure samples of the sand
and the salt individually?
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