2001 JAMB UTME Chemistry Past Questions

2001

What current in ampere will deposit 0.27g of aluminium in 2 hours? [Al = 27, F = 96500C].

2001

A concentrated solution containing H+, Cu2+,OH- and CI- was electrolysed using platiunm electrodes which of the ions will be discharged at the cathods?

2001

A major factor coonsidered in selecting a suitable method for preparing a simple salt is its

2001

Which of the following decreases when a given mass of gas is compressed to half its initial volume?

2001

What mass of water is produced when 8.0g of hydrogen reacts with excess oxygen?[H = 1, O = 16]

2001

25cm3 of a gas X contains Z molecules at 15oC and 75 mmHg. How many molecules will 25 cm3 of another gas Y contain at the same temperature and pressure?

2001

Four elements W, X, Y and Z have atomic number 2,6,16 and 20 respectively. Which of these elements is a metal?

2001

Millikan's contributions to the development of atomic theory is the determination of

2001

An oxide XO2 has a vapour density of 32. What is the atomic mass of X?

2001

Cancerous growths are cured by exposure to

2001

A particle that contains 9 protons, 10 neutrons and 10 electrons is a

2001

Pure solvents are obtained by

2001

Deliquescent substance are used for

2001

The pollution from petroleum spillage in rivers and lakes can best be dispersed by

2001

Which of the following statements is correct about the average kinetic energy of the molecules of a gas?

2001

An elements X with relative atomic mass 16.2 contains two isotopes 168X with relative abundance of 90% and m8X with relative abundance of 10%. The value of m is

2001

In which of the following reactions does reduction takes place

2001

Phosphorus is stored under water to prevent it from

2001

The chemical used for coagulation in water purification is

2001

Environmental pollution is worsened by the release from automobile exhausts of

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