2012
The oxidation number of boron in NaBH 4 is
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2012 JAMB UTME Chemistry Past Questions
2012
During a titration experiment, 0.05 moles of carbon (lV) oxide is liberated. What is the volume of gas liberated?
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2012
A piece of filter paper moistened with lead (ll) ethanoate solution turns black when the paper is dropped into a gas likely to be
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2012
The highest rate of production of carbon (lV) oxide can be achieved using
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2012
An increase in entropy can best be illustrated by
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2012
CO(g) + H2 O(g) → CO2(g) + H2(g)Calculate the standard heat change of the reaction above, if the standard enthalpies of formation of CO2(g), H2O(g) and CO(g) and CO(g) in KJ mol -1 are - 394 -242 and - 110 respectively.
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2012
A metal M displaces zinc from ZnCl, solution, solutionThis shows that
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2012
The purest from of iron which contains only about 0.1% carbon is
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2012
Which of the following compounds will burn with a brick-red colour in a non-luminous Bunsen flame?
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2012
Mineral acids are usually added to commercial hydrogen peroxide to
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2012
Commercial bleaching can be carried out using
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2012
Which of the following gases has a characteristic pungent smell, turns red litmus paper blue and forms dense white fumes with hydrogen chloride gas?
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2012
The isomers of C3H8O ARE
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2012
Alkanals can be distinguished from alkanones by the reaction with
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2012
Geometric isomerism can exist in
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2012
Which of the following metals is the least reactive?
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2012
A common characteristic between zinc and the other transition elements is the ability to
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2012
Ethanol reacts with concentrated tetraoxosulphate (V) acid at a temperature above 170 oC to form
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2012
2 - methyl propan -2- ol is an example of a
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2012
The saponification of an alkanoate to produce soap and alkanol involves
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