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