2018
The reaction between an organic acid and an alcohol in the presence of an acid catalyst is known as;
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2018 JAMB UTME Chemistry Past Questions
2018
Diamond is a bad conductor of electricity because its bonding electrons are used in
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2018
To what volume must 300cm\(^3\) of 0.60M sodium hydroxide solution be diluted to give a 0.40M solution?
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2018
In the reaction between sodium hydroxide and sulphuric acid solutions, what volume of 0.5 molar sodium hydroxide would exactly neutralise 10cm3 of 1.25 molar sulphuric acid?
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2018
Which of the following is used to power steam engines?
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2018
2KClO3(g) MNO3→ 2KCl(s) + 3O2(g)The importance of the catalyst in the reaction above is that
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2018
In the laboratory preparation of oxygen, the gas cannot be collected by displacement of air because
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2018
When air which contains the gases Oxygen, nitrogen, carbondioxide, water vapour and the rare gases, is passed through alkaline pyrogallol and then over quicklime, the only gases left are;
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2018
A balanced chemical equation obeys the law of
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2018
Which of the following are mixtures? I. Petroleum II. Rubber latex III. Vulcanizer's solution IV. Carbon sulphide
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2018
The refreshing and characteristic taste of soda water and other soft drinks is as a result of the presence of
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2018
The salt that reacts with dilute hydrochloric acid to produce a pungent smelling gas which decolourizes acidified purple potassium tetraoxomanganate (VII) solution is
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2018
(I). 3CuO(s) + 2NH3(g) -----> 3Cu(s) + 3H2O(l) + N2(g) (II). 2NH3(g) + 3Cl2(g) -----> 6HCl(g) + N2(g) (III). 4NH3(g) + 3O2(g) -----> 6H2O(l) + N2(g) The reactions represented by the equations above demonstrate t…
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2018
ME + nF -----> pG + qH In the equation shown, the equilibrium constant is given by?
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2018
Beryllium and Aluminium have similar properties because they
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2018
The radio isotope used in industrial radiography for the rapid checking of faults in welds and casting is?
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2018
How many atoms are present in 6.0g of magnesium? [Mg = 24, N.A = 6.02 x 10 \(^{23}\)mol]
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2018
What is the concentration of a solution containing 2g of NaOH in 100cm3 of solution? [Na = 23, O =16, H = 1]
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2018
An aqueous solution of a metal salt, M. gives a white precipitate with NaOH which dissolves in excess NaOH. With aqueous ammonia, the solution of M also gives a white precipitate which dissolves in excess ammonia Therefo…
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2018
The lUPAC name for
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