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