2001 WAEC SSCE Chemistry Past Questions

2001

Sugars can be hydrolyzed at room temperature by the action of

2001

Which of the following constitutes an advantage in the use of hard water?

2001

What is the function of H2SO4 in the following reaction? C12H22O11 conc. H24 12C + 11H2O

2001

The conclusion from Rutherford's from radioactive substance alpha-scattering experiment is that

2001

Waste plastics accumulate in the soil and pollute the environment because plastic materials are

2001

Acidic industrial waste can be treated with

2001

The gas given off when NH4Cl is heated with an alkali is

2001

What volume of hydrogen will be produced if 100cm3 of ammonia is completely decomposed at constant temperature and pressure? The equation for the reaction is 2NH3(g) → N2(g) + 3H2(g)

2001

If a metal R forms a compound with the formula R(NO3)2 the formula of its tetraoxosulphate (VI) is

2001

Calculate the mass of sodium hydroxide in 5.00 dm3 of a 0.125 mol dm-3 solution [NaOH = 40 g mol]

2001

Which of the following substances increases in mass when heated in air?

2001

A subtance is said to be hygroscopic if it absorbs

2001

Which of the following acids forms normal salts only?

2001

A visible change is observed when a strip of iron is placed in an aqueous solution of

2001

Which of the compounds will leave a metal residue when heated?

2001

CuSO4 5H2O can be obtained from an aqueous solution of copper (ll) tetraoxosulphate (VI) by

2001

Equal amounts of marble chips are reacted separately with 100cm3 of hydrochloric acid of different concentrations . if all the marble chips reacted, which of the following remained the same in each case?

2001

What will happen if more heat is applied to the following system at equilibrium? X2(g) + 3Y 2(g) ⇌ 2XY3(g); ∆H =-kJmol -1

2001

2001 WAEC SSCE Chemistry Past Questions

Sugars can be hydrolyzed at room temperature by the action of

Which of the following constitutes an advantage in the use of hard water?

What is the function of H2SO4 in the following reaction? C12H22O11 conc. H24 12C + 11H2O

The conclusion from Rutherford's from radioactive substance alpha-scattering experiment is that

Waste plastics accumulate in the soil and pollute the environment because plastic materials are

Acidic industrial waste can be treated with

The gas given off when NH4Cl is heated with an alkali is

What volume of hydrogen will be produced if 100cm3 of ammonia is completely decomposed at constant temperature and pressure? The equation for the reaction is 2NH3(g) → N2(g) + 3H2(g)

If a metal R forms a compound with the formula R(NO3)2 the formula of its tetraoxosulphate (VI) is

Calculate the mass of sodium hydroxide in 5.00 dm3 of a 0.125 mol dm-3 solution [NaOH = 40 g mol]

Which of the following substances increases in mass when heated in air?

A subtance is said to be hygroscopic if it absorbs

Which of the following acids forms normal salts only?

A visible change is observed when a strip of iron is placed in an aqueous solution of

Which of the compounds will leave a metal residue when heated?

CuSO4 5H2O can be obtained from an aqueous solution of copper (ll) tetraoxosulphate (VI) by

Equal amounts of marble chips are reacted separately with 100cm3 of hydrochloric acid of different concentrations . if all the marble chips reacted, which of the following remained the same in each case?

What will happen if more heat is applied to the following system at equilibrium? X2(g) + 3Y 2(g) ⇌ 2XY3(g); ∆H =-kJmol -1

Waste plastics accumulate in the soil and pollute the environment because plastic materials are

The conclusion from Rutherford's alpha-scattering experiment is that