2004
Which reagent is used in ammoniacal solution to confirm a terminal carbon-carbon triple bond?
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2004 JAMB UTME Chemistry Past Questions
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2004
According to charles' law, the volume of a gas becomes zero at
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2004
What volume of gas is evolved at S.t.p if 2g of calcium trioxocarbonate (IV) is added to a solution of hydrochloric acid?[Ca = 40, C = 12, O = 16, Cl = 35.5, H = 1 Molar volume of agas at s.t.p = 22.4 dm3
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2004
If a solution contains 4.9g of tetraoxosulphate (VI) acid, calculate the amount of copper (II) oxide that will react with it[Cu = 64, O = 16, S = 32, H = 1]
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2004
A chemical reaction is always associated with
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2004
When a solid substance disappears completely as a gas on heating, the substance is said to have undergone
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2004
22688Ra → x86Rn + α - particleWhat is the value of x in the nuclear reaction above?
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2004
The shape of s-orbitals is
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2004
An electron can be added to a halogen atom to form a halide ion with
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2004
A given volume of methane diffuses in 20s. How long will it take the same volume of sulphur (IV) oxide to diffuse under the same conditions?[C = 12, H = 1, S = 32, O = 16].
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2004
It is difficult to achieve an orderly arrangement of the molecules of a gas because they
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2004
Pollution of underground water by metal ions is very likely in the soil that has high
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2004
Hardness of water is caused by the presence of ions of
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2004
Which listed gas mixture contains a gas that can burn as a fuel in oxygen under ordinary conditions?
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2004
Chlorine consisting of two isotopes of mass number 35 and 37 in the ratio 3:1 has an atomic mass of 35.5. Calculate the relative abundance of the isotopes of mass number 37
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2004
The property of chlorine which causes hydrogen chloride to be more ionic than the chlorine molecules is its
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2004
Which of the following compounds is a normal salt?
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2004
Calcium tetraoxosulphate (VI) dissolves in water only sparingly to form a
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2004
Which substance consists of carcinogenic mineral fibres?
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2004
The mass of silver deposited when a current of 10a is passed through a solution of silver salt for 4830s is[Ag = 108, F = 96500 c mol-1]
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