2008 JAMB UTME Chemistry Past Questions

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2008

In countries where the temperature falls below 273K, salt is always sprinkled on the icy road in order to

2008

Chlorophyll obtained from given leaves of plant can be shown to be composed of more than one coloured component by the technique of

2008

The experiment that showed that atoms have tiny positively charged nucleus was first carried out by

2008

Diffusion is slowest in solid particles than in particles of liquid and gases because

2008

300 cm3 of gas has a pressure of 800 mmHg. If the pressure is reduced to 650 mmHg, find its volume

2008

16.8 g of sodium hydrogen trioxocarbonate (IV) is completely decomposed by heat. Calculate the volume of carbon(IV) oxide given off s.t.p [Na 23, C = 12, O = 16, H = 1, Molar volume of a gas at s.t.p = 22.4 dm3]

2008

2Na(s) + 2H2O(l) → 2NaOH(aq) + H2(g)From the equation above, calculate the mass of sodium hydroxide produced by 2.3g of sodium.[H = 1, O = 16, Na = 23]

2008

Air boiled out of water as steam is richer in

2008

\( _{11} ^{11}Na + _0^1n → _{11}^{24}Na \)The reaction above is an example of

2008

In the periodic table, the electrical and thermal conductivities are properties of elements that

2008

The diagram above represent the electron sub-level for

2008

The uncovered raw food that is sold along major roads is likely to contain some amounts of

2008

117.0g of sodium chloride was dissolved in 1.0dm3 of distilled water at 25oC. Determine the solubility in mol dm-3 of sodium chloride at that temperature [Na = 23, Cl = 35.5]

2008

The vulcanizer's solution is prepared by dissolving rubber in

2008

When a few drops of water is added to a blue anhydrous cobalt (II) chloride, the colour changes to

2008

In the course of purifying water for town supply the water is passed through large settlings tanks, containing sodium aluminate (III) to remove

2008

The oxidation state of carbon in HCOOH is

2008

Insoluble salts can be prepared by

2008

2008 JAMB UTME Chemistry Past Questions

In countries where the temperature falls below 273K, salt is always sprinkled on the icy road in order to

Chlorophyll obtained from given leaves of plant can be shown to be composed of more than one coloured component by the technique of

The experiment that showed that atoms have tiny positively charged nucleus was first carried out by

Diffusion is slowest in solid particles than in particles of liquid and gases because

300 cm3 of gas has a pressure of 800 mmHg. If the pressure is reduced to 650 mmHg, find its volume

16.8 g of sodium hydrogen trioxocarbonate (IV) is completely decomposed by heat. Calculate the volume of carbon(IV) oxide given off s.t.p [Na 23, C = 12, O = 16, H = 1, Molar volume of a gas at s.t.p = 22.4 dm3]

2Na(s) + 2H2O(l) → 2NaOH(aq) + H2(g)From the equation above, calculate the mass of sodium hydroxide produced by 2.3g of sodium.[H = 1, O = 16, Na = 23]

Air boiled out of water as steam is richer in

\( _{11} ^{11}Na + _0^1n → _{11}^{24}Na \)The reaction above is an example of

In the periodic table, the electrical and thermal conductivities are properties of elements that

The diagram above represent the electron sub-level for

The uncovered raw food that is sold along major roads is likely to contain some amounts of

117.0g of sodium chloride was dissolved in 1.0dm3 of distilled water at 25oC. Determine the solubility in mol dm-3 of sodium chloride at that temperature [Na = 23, Cl = 35.5]

The vulcanizer's solution is prepared by dissolving rubber in

When a few drops of water is added to a blue anhydrous cobalt (II) chloride, the colour changes to

In the course of purifying water for town supply the water is passed through large settlings tanks, containing sodium aluminate (III) to remove

The oxidation state of carbon in HCOOH is

Insoluble salts can be prepared by

0.05 mol dm-3 HCl is neutralized by 25 cm3 NaOH. If the volume of acid used is 32.00cm3, what is the concentration of the base

The basicity of CH3COOH is