2024
25.0g of potassium chloride were dissolved in 80g of distilled water at 30\(^0\)C. Calculate the solubility of the solute in mol dm\(^3\). [K =39, Cl = 35.5]
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2024 JAMB UTME Chemistry Past Questions
2024
The stability of atomic nucleus is determined by ratio of
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2024
The law which states that a pure chemical compound, no matter how it is made, will be made up of the same elements contained in the same proportion by mass is
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2024
The percentage of hydrogen in the sixth member of the class of the aliphatic alkanes is [H =1, C =12 ]
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2024
The compound of Copper used as a fungicide is
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2024
If a salt weighs 2g and upon exposure to the atmosphere weighs 1.5g, this is as a result of
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2024
The volume occupied by 1 mole of an ideal gas at a temperature of 13\(^0\)C and a pressure of 1.58 atm is [ R = 0.082 atm dm\(^3\) K\(^{-1}\)mol\(^{-1}\) ]
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2024
Calculate the number of moles of Copper that will be deposited, if 2 Faraday of electricity is passed through the copper during the electrolysis of copper(II)tetraoxosulphate(VI) [1F = 96500C ]
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2024
Which of the following is used in forming slag in the blast furnace for the extraction of iron?
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2024
The basicity of tetraoxophosphate(V) acid is
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2024
A type of isomerism that ClCH=CHCl can exhibit is
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2024
In the conductance of aqueous CuSO\(_4\) solution, the current carriers are the
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2024
Hydrogen chloride gas and ammonia can be used to demonstrate the fountain experiment because they are
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2024
A radioactive element of mass 1g has half-life of 2 minutes, what fraction of the substance would have disintegrated after 10 minutes?
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2024
Hydrochloric acid is not suitable in the preparation of ethanoic acid because it
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2024
After breathing in a test tube that contains acidified K\(_2\)Cr\(_2\)O\(_7\), a man noticed the change in the colour of K\(_2\)Cr\(_2\)O\(_7\) from orange to green. This suggests the presence of
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2024
What accounts for the low melting and boiling points of covalent molecules?
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2024
The general molecular formula C\(_n\)H\(_{2n-2}\) represents that of an
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2024
Benzene formed nitrobenzene at temperature of 60\(^0\)C when it reacts with mixture of concentrated trioxonitrate(V) acid and concentrated
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2024
Alkylation of benzene is catalyzed by
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