Chemistry 0620 · IGCSE · Separation and purification

Separation and purification — practice question

(a)[1]

Give the name of the process used to change sulfur dioxide into sulfur trioxide in sulfuric acid manufacture.

(b)[1]

Give the process used to recover water from aqueous sodium chloride.

(c)[1]

Give the name of the process used to extract aluminium from purified bauxite.

(d)[1]

Give the process used to separate petroleum into useful substances.

(e)[1]

Give the name of the process used to make ethanol from aqueous glucose.

(f)[1]

Give the process used to produce alkenes and hydrogen from large alkane molecules.

(g)[1]

Give the process used to separate a mixture of soluble coloured substances.

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