2001
What current in ampere will deposit 0.27g of aluminium in 2 hours? [Al = 27, F = 96500C].
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2001 JAMB UTME Chemistry Past Questions
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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?
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2001
A major factor considered in selecting a suitable method for preparing a simple salt is its
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2001
Which of the following decreases when a given mass of gas is compressed to half its initial volume?
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2001
What mass of water is produced when 8.0g of hydrogen reacts with excess oxygen?[H = 1, O = 16]
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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?
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2001
Four elements W, X, Y and Z have atomic number 2,6,16 and 20 respectively. Which of these elements is a metal?
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2001
Millikan's contributions to the development of atomic theory is the determination of
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2001
An oxide XO2 has a vapour density of 32. What is the atomic mass of X?
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2001
Cancerous growths are cured by exposure to
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2001
A particle that contains 9 protons, 10 neutrons and 10 electrons is a
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2001
Pure solvents are obtained by
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2001
Deliquescent substance are used for
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2001
The pollution from petroleum spillage in rivers and lakes can best be dispersed by
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2001
Which of the following statements is correct about the average kinetic energy of the molecules of a gas?
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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
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2001
In which of the following reactions does reduction takes place
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2001
Phosphorus is stored under water to prevent it from
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2001
The chemical used for coagulation in water purification is
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2001
Environmental pollution is worsened by the release from automobile exhausts of
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