Chemistry 0620 · IGCSE · Separation and purification

Separation and purification — practice question

(a)[1]

State the name of the process used to make large molecules from monomers.

(b)[1]

Give the name of the process used to obtain oxygen from liquid air.

(c)[1]

State the name of the process used to produce ethanol from glucose.

(d)[1]

Give the name of the process used to separate water from aqueous sodium chloride.

(e)[1]

Give the name of the process used to make aluminium from aluminium oxide in molten cryolite.

(f)[1]

Give the name of the process used to separate the products of hydrolysis of long chain carbohydrates.

(g)[1]

Give the name of the process used to separate an aqueous solution from an undissolved solid.

Worked solution & mark scheme

This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: polymerisation

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