2003 JAMB UTME Chemistry Past Questions

2003

A change in temperature of a saturated solution disturb the equilibrium between the

2003

When 10g of sodium hydroxide is dissolved in 1000cm3 of water, the sodium formed is approximately [Na = 23, H = 1, O = 16]

2003

Farmlands affected by crude-oil spillage can be decontaminated by

2003

CO(g) + H2O(g) → CO2(g) + H2(g)From the reaction above, calculate the standard enthalpies of formation of CO2(g), H2O(g) and CO(g) in kJ mol-1 are -394, -242, and -110 respectively.

2003

In the electrolysis of a concentrated solution of sodium chloride using electrodes, which of the following ions are discharged at the cathode and anode respectively?

2003

When at equilibrium, which of the reactions below will shift to the right if the pressure is increased and the temperature is kept constant?

2003

If y is an oxidizing agent that reacts with a reducing agent, Z, which of the following is correct?

2003

Which of the following will change when a catalyst is added to a chemical reaction?

2003

Hydrogen can be displaced from a hot alkaline solution by

2003

Metals of the first transition series have special properties which are different from those of groups I and II elements because they have partially filled

2003

Chlorine gas is prepared in the laboratory by

2003

Which of the following is an electrolyte?

2003

When sugar is dissolved in tea, the reaction is always accomplished by

2003

The modern process of manufacturing steel for iron is by

2003

Chlorine gas turns a damp starch-iodide paper

2003

The metal that liberates hydrogen from cold water in bubbles only is

2003

The salt that will form a precipitate soluble in excess ammonia solution is

2003

Which of the following statements is true of sulphur (IV) oxide?

2003

The type of reaction that is peculiar to benzene is

2003

The formula for ethyl butanoate is

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