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WorksheetsScience
Total questions: 6
Worksheet time: 60secs
Name
Class
Date
1.
Who is the Father of Chemistry?
2.
Which of the following process does not occur at the interface of phases?
a)
crystallisation
b)
heterogenous catalysis
c)
homogeneous catalysis
d)
corrosion
3.
How many valency does carbon have
(a)
4.
Which subatomic part of an atom gives it a positive charge?
a)
Neutron
b)
Proton
c)
Electron
d)
Nucleus
5.
The metal ion which can produce a coloured ion
a)
Ferric
b)
Lead
c)
Zinc
d)
Calcium
6.
The gas produced when excess ammonia reacts with chlorine
a)
Nitrogen
b)
Hydrogen
c)
Chlorine
d)
HCl
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