Gravimetric Analysis - Constructed Questions (CAPE
Chemistry)
Apparatus
Beaker
Analytical balance
Watch glass
Crucible and lid
Sintered glass crucible
Desiccator
Filter paper
Constructed Question
Describe the use of a beaker
during the preparation or
dissolution of a sample for
gravimetric analysis.
Explain why an analytical
balance is essential for
obtaining accurate mass
measurements in
gravimetric analysis.
State the purpose of using a
watch glass during the
drying and weighing of a
precipitate.
Outline the function of a
crucible and lid in the
ignition of a precipitate to a
constant mass in gravimetric
analysis.
Explain the advantage of
using a sintered glass
crucible over filter paper in
the filtration and drying of a
precipitate in gravimetric
analysis.
Why is a desiccator used to
cool apparatus before
weighing in gravimetric
analysis?
Discuss how filter paper is
used to separate the
Bunsen burner
Funnel
Drying oven
Tongs
precipitate from the solution
and identify one
disadvantage of its use in
gravimetric analysis.
Describe the role of a
Bunsen burner in heating a
crucible containing a
precipitate during
gravimetric analysis.
What is the purpose of using
a funnel during the transfer
and filtration steps in
gravimetric analysis?
Explain how a drying oven is
used to remove moisture
from a precipitate before it is
weighed in gravimetric
analysis.
Why is it important to use
tongs when handling hot
crucibles or glassware
during gravimetric analysis?