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WorksheetsOCR C2 Chemistry
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
What element is present in the centre of the Earth?
a)
Iron
b)
Aluminium
c)
Zinc
d)
Magnesium
2.
What type of rock is granite?
a)
Metamorphic
b)
Sedimentary
c)
Igneous
d)
Crushed
3.
How is cement made?
a)
Cool limestone and clay
b)
Heat limestone and clay
c)
Heat limestone and gravel
d)
Heat clay and gravel
4.
Complete the equation for the thermal decomposition of
CaCO3 -->
CaCO3 -->
a)
Ca2O + CO
b)
CaO + CO
c)
CaO + CO2
d)
CaO2 + CO2
5.
What is a use of amalgam?
a)
Filling teeth
b)
Sticking two metals together
c)
Making car bodies
d)
Taps
6.
Name the process:
N2 + 3H2 --> 2NH3
N2 + 3H2 --> 2NH3
a)
Contact Process
b)
Contract Process
c)
Haber Process
d)
Harber Process
7.
Complete the following equation:
Magnesium Oxide + Hydrochloric acid -->
Magnesium Oxide + Hydrochloric acid -->
a)
Magnesium Chloride + Oxygen
b)
Magnesium Chloride + Water
c)
Magnesium Oxide + Water
d)
Magnesium Oxide + Carbon Dioxide
8.
What is the molecular formula for sulfuric acid?
a)
HSO2
b)
HSO4
c)
H2SO2
d)
H2SO4
9.
Which essential elements are found in fertilisers?
a)
NPK
b)
MPK
c)
NFK
d)
NPP
10.
What occurs at the anode during the electrolysis of brine?
a)
2H+ + 2e- --H2
b)
H2 --> 2H+ + 2e-
c)
2Cl- -2e- --> Cl2
d)
Cl2 --> 2Cl- - 2e-
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