Chemistry2009
Which of the following halogens is solid at room temperature?
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2009 NECO SSCE Chemistry Past Questions
Chemistry generally explores the substances of which matter is composed, the investigation of their properties and reactions, and the use of such reactions to form new substances.
Chemistry2009
Which of the following equations is NOT balanced?
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Chemistry2009
A colourless gas with characteristics odour which dissolves in water to form an alkaline solution is
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Chemistry2009
The following compounds decolorize acidified potassium tetraoxomanganate (VII) solution EXCEPT
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Chemistry2009
The percentage composition of a hydrocarbon is 79.2 carbon 20.8 hydrogen. Calculate its empirical formula [H = 1, C = 12]
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Chemistry2009
Which of the following non-metals reacts most readily with metals?
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Chemistry2009
Compound with the general formula CnH2n2 belong to the_______ group
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Chemistry2009
The process involved in the decomposition of sugar by an enzyme is called
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Chemistry2009
The reaction of an alkanol with alkanioc acid is known as
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Chemistry2009
The empirical formula of a hydrocarbon containing 0.12 mole of carbon 0.3 mole of hydrogen is
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Chemistry2009
Which of the following statements is NOT correct of group VII elements? They
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Chemistry2009
Which of the following is NOT a fraction of petroleum?
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Chemistry2009
The scientist who discovered the zig-zag movement of gas molecules is
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Chemistry2009
Which of these compounds has the greatest ionic character?
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Chemistry2009
What kind of bond exist between carbon and oxygen in C032-?
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Chemistry2009
Which of the following gases will bleach moist litmus paper?
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Chemistry2009
Which of the following compounds will undergo thermal dissociation?
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Chemistry2009
The rate of a reaction usually increases with increase in the concentration of reactants because the
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Chemistry2009
If the volume of a gas at 35°C is 60cm3, what would be its volume in cm3 at 273k?
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Chemistry2009
What is the molar mass of the compound above?
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