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CH- Metals and Non-metals
TEST
Q1
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b) SO2 is the product of ……… of sulphide ores
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d) ………
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[1]
[1]
[1]
[1]

Q2
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a) Show on a diagram transfer of electrons between the atoms in the
Formation of Mgo
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[2]

Q4
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Write balanced chemical equation for the following :a) Dilute hydrochloric acid reacts with sodium carbonate
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c) Carbon dioxide is passed through lime water
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Give the steps involved in the extraction of metals of low and medium
reactivity from their respective ores
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Why are ionic compounds usually hard ? How is it that ionic compounds
in the solid state do not conduct electricity but they do so when in
molten state ?

[3]

Q8
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Predict the new compound formed which imparts
a blue-green colour to the solution
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Give reasons for the following :-

[3]

a) Aluminium oxide is considered as an amphoteric oxide
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c) Show the formation of Nacl from sodium and chlorine atoms by the
transfer of electrons
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[4]
Q10
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Write any
three observations you would make when such a metal is dropped into
Water

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