1988 JAMB UTME Chemistry Past Questions

1988

Crude copper can be purified by the electrolysis of CuSO4(aq) if?

1988

Given the reactions (i) Fe(s) + X(NO3)2(aq) → Fe(NO3) + X(s) (ii) H2(g) + XO → X + H2O(s); X is likely to be?

1988

Aluminium is extracted commercially from its ore by?

1988

The formula of a compound formed in a reaction between a trivalent metal M and a tetravalent non-metal X is~?

1988

What process would coal undergo to give coal gas, coal tar, ammoniacal liquor and coke?

1988

Detergents have the general formula?

1988

Which of the following compounds has the highest boiling point?

1988

The four classes of hydrocarbons are?

1988

A metallic ion X2+ with an inert gas structure contains 18 electrons. How many protons are there in this ion?

1988

The forces holding naphthalene crystals together can be overcome when naphthalene is heated to a temperature of 354K resulting in the crystal to melting. These forces are known as?

1988

An increase in temperature causes an increase in the pressure of a gas because there is an increase in the?

1988

One mole of propane is mixed with five moles of oxygen. The mixture is ignited and the propane burns completely. What is the volume of the products at s.t.p?(G.M.V = 22.4 dm3 mol-1)

1988

2.25g of a sample of an oxide of copper on reduction gave 2.0g of copper. 2.50g of another oxide of copper on reduction also gave 2.0g of copper. These results are in accordance with the law of?

1988

An eruption pollution an environment with gas suspected to be H2S, a poisonous gas. A residue team should spray the environment with?

1988

The molar ratio of oxygen to nitrogen in dissolved air is 2:1 whereas the ratio is 4:1 in atmospheric air because?

1988

The energy changes accompanying the addition of an electron to a gaseous atom is called?

1988

What are the possible oxidation numbers of an element if its atomic number is 17?

1988

Which of the following physical properties decreases across the Periodic Table?

1988

Use the graph above to answer this question. The mass of a substance, M, liberated at an electrode during electrolysis is proportional to the quantity of electricity, Q passing through the electrolyte. This is represente…

1988 JAMB UTME Chemistry Past Questions

Crude copper can be purified by the electrolysis of CuSO4(aq) if?

Given the reactions (i) Fe(s) + X(NO3)2(aq) → Fe(NO3) + X(s) (ii) H2(g) + XO → X + H2O(s); X is likely to be?

Aluminium is extracted commercially from its ore by?

The formula of a compound formed in a reaction between a trivalent metal M and a tetravalent non-metal X is~?

What process would coal undergo to give coal gas, coal tar, ammoniacal liquor and coke?

Detergents have the general formula?

Which of the following compounds has the highest boiling point?

The four classes of hydrocarbons are?

A metallic ion X2+ with an inert gas structure contains 18 electrons. How many protons are there in this ion?

The forces holding naphthalene crystals together can be overcome when naphthalene is heated to a temperature of 354K resulting in the crystal to melting. These forces are known as?

An increase in temperature causes an increase in the pressure of a gas because there is an increase in the?

One mole of propane is mixed with five moles of oxygen. The mixture is ignited and the propane burns completely. What is the volume of the products at s.t.p?(G.M.V = 22.4 dm3 mol-1)

2.25g of a sample of an oxide of copper on reduction gave 2.0g of copper. 2.50g of another oxide of copper on reduction also gave 2.0g of copper. These results are in accordance with the law of?

An eruption pollution an environment with gas suspected to be H2S, a poisonous gas. A residue team should spray the environment with?

The molar ratio of oxygen to nitrogen in dissolved air is 2:1 whereas the ratio is 4:1 in atmospheric air because?

The energy changes accompanying the addition of an electron to a gaseous atom is called?

What are the possible oxidation numbers of an element if its atomic number is 17?

Which of the following physical properties decreases across the Periodic Table?

Use the graph above to answer this question. The mass of a substance, M, liberated at an electrode during electrolysis is proportional to the quantity of electricity, Q passing through the electrolyte. This is represente…

Which of the gas laws does the above graph illustrate?