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WorksheetsCHEMISTRY
Total questions: 10
Worksheet time: 3mins
Name
Class
Date
1.
Which of this is a clear, tasteless and odourless water?
a)
H2O
b)
CO2
c)
NO2
d)
KBr
2.
Which of these gases do we breathe in?
a)
H2O
b)
NH3
c)
O2
d)
H2S
3.
Which of these is a metal?
a)
Fe
b)
K
c)
C
d)
H
4.
What is chemical formula for iron?
a)
Ir
b)
Rn
c)
Fe
d)
Ag
5.
Which of these metals is normally liquid?
a)
Mercury
b)
Gold
c)
Iron
d)
Lead
6.
Which of these elements is the hardest?
a)
Iron
b)
Gold
c)
Diamond
d)
Steel
7.
At 100 degrees Celsius, water turns to ?
a)
Ice
b)
Mercury
c)
Steam
d)
Stone
8.
What term is given to anything that has weight and occupies space?
a)
Fire
b)
Plasma
c)
Light
d)
Matter
9.
Which of these gases is not present in the atmosphere?
a)
Carbon dioxide
b)
Nitrogen
c)
Hydrogen Sulphide
d)
Oxygen
10.
What two gases combine to make water?
a)
Nitrogen and Helium
b)
Hydrogen and Argon
c)
Hydrogen and Nitrogen
d)
Hydrogen and Oxygen
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