WorksheetsUses of metals
Total questions: 5
Worksheet time: 5mins
Name
Class
Date
1.
Which of following is not the use of iron?
a)
b)
c)
d)
2.
Why is copper used to make electricity wire (電線) ?
a)
It looks appealing (吸引力).
b)
It is non-toxic (無毒).
c)
It conducts electricity well.
d)
It is light.
3.
Which of following is not the use of aluminium?
a)
b)
c)
d)
4.
Which of the following metals can be used to make flashbulb?
a)
Mg
b)
Cu
c)
Fe
d)
Ag
5.
Choose the INCORRECT sentence.
a)
Tin (錫) is non-toxic.
b)
Mercury is toxic.
c)
Copper is corrosion resistant (耐腐蝕的).
d)
Gold and silver does not conduct electricity.
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