1987 JAMB UTME Chemistry Past Questions

1987

The reaction between sulphur (IV) oxide and oxygen is represented by the equilibrium reaction 2SO2(g) + O2(g) ↔ 2SO3(g), ∆H = -196 kJ. What factor would influence increased production of SO3(g)?

1987

When sodium hydroxide is heated with ammonium tetraoxosulphate (IV), the gas given off may be collected by?

1987

Which of the following gases can best be used for demonstrating the fountain experiment?(iv) Hydrogen chloride.

1987

In which of the following pairs of element is allotropy exhibited by each element?

1987

The best treatment for a student who accidentally poured concentrated tetraoxosulphate (VI) acid on his skin in the laboratory is to wash the skin with?

1987

Magnesium ribbon was allowed to burn inside a given gas P leaving a white solid residue Q. Addition of water to Q liberated a gas which produced dense white fumes with a drop of hydrochloric acid. The gas P was?

1987

Inspite of the electronic configuration, 1s22s22p2, carbon is tetraavalent because?

1987

Corrosion is exhibited by?

1987

Alloys are best prepared by?

1987

Stainless steel is an alloy of?

1987

Which of the following elements will form oxide which will dissolve both in dilute HNO3 and NaOH solutions to form salts?

1987

Local black soap is made by boiling palm oil with liquid extract of ash. The function of the ash is to provide the?

1987

The most volatile fraction obtained from fractional distillation of crude petroleum contains?

1987

Ethanol reacts with aqueous sodium mono-oxoio date (l) to give a bright yellow solid with a characteristic smell. The product is?

1987

The efficiency of petrol as a fuel in high-compression internal combustion engines improves with an increase in the amount of?

1987

Which of the following compounds will give a precipitate with an aqueous ammoniacal solution of copper (l) chloride?

1987

A stream of air was successively passed through three tubes X, Y and Z containing a concentrated aqueous solution of KOH, red hot copper powder and fused calcium chloride respectively. What was the composition of the gas…

1987

The greater the different in electronegativity between bonded atoms, the?

1987

1987 JAMB UTME Chemistry Past Questions

The reaction between sulphur (IV) oxide and oxygen is represented by the equilibrium reaction 2SO2(g) + O2(g) ↔ 2SO3(g), ∆H = -196 kJ. What factor would influence increased production of SO3(g)?

When sodium hydroxide is heated with ammonium tetraoxosulphate (IV), the gas given off may be collected by?

Which of the following gases can best be used for demonstrating the fountain experiment?(iv) Hydrogen chloride.

In which of the following pairs of element is allotropy exhibited by each element?

The best treatment for a student who accidentally poured concentrated tetraoxosulphate (VI) acid on his skin in the laboratory is to wash the skin with?

Magnesium ribbon was allowed to burn inside a given gas P leaving a white solid residue Q. Addition of water to Q liberated a gas which produced dense white fumes with a drop of hydrochloric acid. The gas P was?

Inspite of the electronic configuration, 1s22s22p2, carbon is tetraavalent because?

Corrosion is exhibited by?

Alloys are best prepared by?

Stainless steel is an alloy of?

Which of the following elements will form oxide which will dissolve both in dilute HNO3 and NaOH solutions to form salts?

Local black soap is made by boiling palm oil with liquid extract of ash. The function of the ash is to provide the?

The most volatile fraction obtained from fractional distillation of crude petroleum contains?

Ethanol reacts with aqueous sodium mono-oxoio date (l) to give a bright yellow solid with a characteristic smell. The product is?

The efficiency of petrol as a fuel in high-compression internal combustion engines improves with an increase in the amount of?

Which of the following compounds will give a precipitate with an aqueous ammoniacal solution of copper (l) chloride?

A stream of air was successively passed through three tubes X, Y and Z containing a concentrated aqueous solution of KOH, red hot copper powder and fused calcium chloride respectively. What was the composition of the gas…

The greater the different in electronegativity between bonded atoms, the?

When water drops are added to calcium carbide in a container and the gas is passed through a jet and lifted, the resultant flame is called an?

Complete oxidation of propan -1- ol gives?