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7. Identify and describe the simple laboratory techniques that you could use to separate the
homogeneous and heterogeneous mixtures in the following cases.
a) A student has carried out a double-replacement reaction and wishes to separate the small
amount of precipitate from the rest of the reaction mixture.
b) A researcher has a solution of two liquids with different boiling points and wishes to separate
and retain the two liquids.
c) A researcher obtained a solid from filtration but it is wet from being rinsed with water. The
researcher wishes to dry the solid by removing the water.
d) A student wishes to separate the individual substances in ink from a water-washable marker.
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7. Identify and describe the simple laboratory techniques that you could use to separate the
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