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O-LevelChemistryBonding & Structure5070/11 · Oct/Nov 2019 · Q21 Mark

Which process is involved in all of the following? 1 obtaining copper(II) sulfate crystals from aqueous copper(II) sulfate 2 obtaining ethanol from the fermentation of glucose 3 obtaining nitrogen from liquid air

Acrystallisation
Bevaporation
Cfiltration
Dfractional distillation

✓ Correct answer

B: evaporation

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About this question

Topic
Bonding & Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source
O-Level Chemistry, Oct/Nov 2019 Paper 1 Variant 1, question 2.

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