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Chemistry Past Questions and Answers

Jamb Chemistry Questions

Question 1:

The raw materials used for the smelting of iron ore in a furnace is

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A CaSO₄
B CaCO₃
C CuSO₄
D Zn(NO₃)₂

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Question 2:

The raw materials used for the smelting of iron ore in a furnace is

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A CaSO₄
B CaCO₃
C CuSO₄
D Zn(NO₃)₂

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Question 3:

On heating, which of the following compounds will decompose to the free metal, nitrogen (IV) oxide and oxygen?

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A Ca(NO₃)₂
B Cu(NO₃)₂
C AgNO₃
D NaNO₃

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Question 4:

The group IA metals are not found free in nature because they

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A Are very reactive and unstable
B Are malleable and ductile
C Have high melting and boiling point
D Conduct heat and electricity

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Question 5:

Carbon exist naturally in the combined state as

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A Graphite
B Coal
C Diamond
D Wood

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