1994 JAMB UTME Chemistry Past Questions

1994

Which of the following atoms represents deuterium?

1994

Which of the following is TRUE of Le Chatelier's Principle for an exothermic reaction?

1994

MnO4(aq) + 8H + (aq) + 5Fe2+ → Mn2+(aq) + 4H2O(I). The oxidation number of manganese in the above reaction changed from?

1994

An anhydride is an oxide of non-mental?

1994

H- + H2(I)O → H2(g) + OH-(aq). From the equation above, it can be inferred that the?

1994

Crude copper could be purified by the electrolysis of concentrated copper (II) chloride if the crude copper is?

1994

SO3 is NOT directly dissolved in water in the preparation of H2SO4 by the contact process because?

1994

Which of these solutions will give a white precipitate with a solution of barium chloride acidified with hydrochloric acid?

1994

Clothes should be properly rinsed with water after bleaching because?

1994

Which of these metals CANNOT replace hydrogen from alkaline solutions?

1994

Which of the following are produced when ammonium trioxonitrate (V) crystals are cautiously heated in a hard glass round bottomed flask?

1994

When sodium is added to ethanol, the products are?

1994

Which of the following compounds is NOT an isomers of 2,2 dimethylbutane?

1994

Which of the following is the correct order of decreasing activity of the metals Fe, Ca, Al and Na?

1994

Which of the following is NOT true of metals?

1994

In an electrolytic set-up to protect iron from corrosion, the iron is?

1994

Which of the following reagents will confirm the presence of unsaturation in a compound?

1994

One mole of a hydrocarbon contains 48 g of carbon. If it vapour density is 28, the hydrocarbon is?

1994

The general formula of alkanoates is?

1994

The ∆H for the reaction represented by the energy profile above is

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