2008
Which of the following reaction is endothermic?
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2008 JAMB UTME Chemistry Past Questions
2008
NH3(g) + HCl(s) → NH4Cl(s)The entropy change in the system above is
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2008
If a given quantity of electricity liberates 0.65g of Zn2+, what amount of Hg2+ would be liberated by the same quantity of current?[Zn = 65, Hg = 201]
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2008
In recharging a lead-acid accumulator, the reaction at the cathode can be represented as
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2008
What is the IUPAC nomenclature of the compound NaCIO?
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2008
When a solution of ammonium trioxocarbonate (IV) is added to a solution of an unknown salt, a white precipitate which is soluble in dilute hydrochloric acid but insoluble in ethanoic acid is formed. This indicates the pr…
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2008
Which of the following compounds of trioxonitrate (V) will decomposes to give dinitrogen (i) oxide and water when heated?
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2008
The substance that is used in the steel industry for the removal of carbon, sulphur and phosphorus impurities from pig iron is
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2008
The rate of a reaction usually decrease in the concentration of reactants because
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2008
A catalyst speeds up the rate of chemical reaction by
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2008
If the silver mirror test is positive, it indicates the presence of an
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2008
The type of isomerism shown by cis- and trans- isomers is
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2008
The most common ores of iron include
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2008
which of the following gives a precipitate when treated with NaOH solution?
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2008
Leads is used for making bullets and lead shots because of its
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2008
Reduction of nitroalkanes, nitrites and amides is a route for the preparation of
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2008
A hydrocarbon X with a molar mass of 26 consists of 92.3% carbon. What is its molecular formular
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2008
The IUPAC nomenclature for the structure above is
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2008
If glucose is heated with concentration tetraoxosulphate (VI) acid, it will be dehydrated to
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2008
Detergents are manufactured with straight hydrocarbon chains so as to make them
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