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Chemistry Past Questions and Answers

Jamb Chemistry Questions

Question 41:

The gas that can be dried using concentrated tetraoxosulphate (VI) acid is

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A Hydrogen bromide
B Sulphur (IV) oxide
C Hydrogen sulphide
D Ammonia

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Question 42:

NH₄Cl_(s) â†” NH_3(g) + HCL_(g)
The reaction above can only attain equilibrium if

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A A gaseous reactant is added
B One of the products is removed
C It is in a closed system
D It is an open system

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Question 43:

The most suitable metal that can be used as lightning conductor is

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A Silver
B Copper
C Iron
D Aluminium

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Question 44:

In the diagram above which of the cures illustrates Arrhenius' law?

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A Y
B Z
C R
D X

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Question 45:

The most abundant element on the earth's crust is

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A Nitrogen
B Hydrogen
C Oxygen
D Flourine

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