Welcome to the Quiz!
This quiz contains 4 questions from a mix of 1 subtopics.
What is the purpose of filtering the solution?
to speed up the evaporation process
to prevent the solution from boiling over
to increase the yield of crystals
to remove impurities
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Where should the evaporating basin be left after evaporation?
in a cool place
in a warm place
in direct sunlight
in a hot oven
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What is the purpose of patting the crystals dry?
to prevent the crystals from sticking together
to remove excess water
to slow the crystallisation process
to increase the purity of the crystals
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Which piece of equipment is used to heat the sulfuric acid?
bunsen burner
evaporating basin
filter funnel
glass rod
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