1988 JAMB UTME Chemistry Past Questions

1988

Which of the following statements is NOT correct?

1988

Which of the following acts as both a reducing and an oxidizing agent?

1988

A substance S is isomorphous with another substance R. When a tiny crystals of S is added into a supersaturated solution of R?

1988

The ion that may be assumed to have negligible concentration in a sample of water that lathers readily with soap is?

1988

Which of the following substances is a basic salt?

1988

What volume of a 0.1 M H3PO4 will be required to neutralize 45.0 cm3 of a 0.2 M NaOH?

1988

Which of the following in aqueous solution is neutral to litmus?

1988

Which of the following dilute solutions has the lowest pH value?

1988

Which property of a reversible reaction is affected by a catalyst?

1988

Which of the followingstatements is TRUE?

1988

Which of the following will produce the greatest increase in the rate of the chemical reaction represented by the equation Na2S2O3(aq) + 2HCl(aq) → 2NaCI(aq) + H2O(I) + SO2(g) + S(g)?

1988

A mixture of starch solution and potassium iodide was placed in a test tube. On adding dilute tetraoxosulphate (lV) acid and then K2Cr2O7 solutions, a blue-black colour was produced. In this reaction, the?

1988

Which of the following reactions takes place in the cathode compartment during the electrolysis of copper (II) chloride solution?

1988

Chlorine is produced commercially by?

1988

The thermal decomposition of copper (ll)trioxonitrate (V) yields copper (ll) oxide, oxygen and?

1988

Suitable reagents for the laboratory preparation nitrogen are?

1988

When H2S gas is passed into a solution of iron (III) chloride, the colour changes from yellow to green. This is because?

1988

Which of the following is used in fire extinguishers?

1988

Alkanoates are formed by the reaction of alkanoic acid with?

1988

Methylethanoate reacts with ammonia to yield?

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