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Chemistry Past Questions and Answers

Waec Chemistry Questions

Question 1626:

A factor that is considered most important when siting a chemical industry is?

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A Nearness to other industrial establishments
B Nearness to raw materials
C Favourable climate conditions
D Availability of storage facilities

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Question 1627:

The boiling point of pentane is higher than that of propane because?

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A Carbon-carbon single bonds are stronger than carbon-hydrogen bonds.
B Pentane has more covalent bonds to break
C Pentane does not burn easily as
propane
D The intermolecular forces in pentane are stronger than those of propane

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Question 1628:

Which of the following solids would not decompose on heating?

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A Ammonium chloride
B Lead (i) trioxonitrate (V)
C Potassium trioxocarbonate (IV)
D Sodium hydrogen trioxocarbonate (IV)

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Question 1629:

The following molecules have double covalent bonds between two atoms except?

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A Oxygen
B Carbon (IV)oxide
C Ethene
D Water

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Question 1630:

The type of isomerism exhibited by cis and trans isomers is?

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A Positional
B Geometrical
C Functional
D Optical

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