F.4 HKDSE Chemistry – Daily Revision 1 (Introducing Chemistry)
Name: ____________________
1.
Class: 4___ ( ___ )
Date: ___________
Grade: __
Chemistry is the branch of science that studies the compositions, structures, properties and
interactions of _______________.
2.
Study the following diagrams. Write down all aspects you consider UNSAFE in the laboratory.
(a)
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(b)
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3.
(a) Name the following hazard warning labels:
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F.4 HKDSE Chemistry – Daily Revision 1 (Introducing Chemistry)
(b) Which of the following hazard warning labels should be displayed on a bottle of
alcohol-based hand sanitizer?
(1)
4.
(2)
A.
(1) only
B.
(2) only
C.
(1) and (3) only
D.
(2) and (3) only
(3)
(a) Name the followings.
X:
Y:
(b) Draw the vertical section diagram for the following apparatus.
Test tube
Conical flask
Glass rod
Tripod
Wire gauze
Watch glass
Filter funnel
Measuring cylinder
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F.4 HKDSE Chemistry – Daily Revision 1 (Introducing Chemistry)
Suggested Answer for selected questions
2.
a)





b)





3
Not wearing safety glasses when using a Bunsen burner
(1)
Allowing the long hair to dangle
(1)
Not stopping the reagent bottle immediately after use
(1)
Placing the alcohol near to a naked flame
(1)
Placing the test tubes too near to the edge of the table (the tubes may fall down)
(1)
Not stopping the reagent bottle immediately after use
(1)
Not cleaning up any chemical spillage immediately
(1)
Smelling a gas directly (Wave the gas towards the nose)
(1)
Blocking the road in the laboratory
(1)
Leaving a Bunsen flame unattended (Turn off the Bunsen burner when it is not in
use)
(1)
(b) B
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F.4 HKDSE Chemistry – Daily Revision 1 (Introducing Chemistry)