2022
Hard water is water with high concentrations of dissolved ions, in particular calcium and
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2022 JAMB UTME Chemistry Past Questions
2022
GASCO\(_2\)N\(_2\)O\(_2\)% BY VOLUME47224The above table shows the compositions of the atmosphere of planet X. Which of these gases are present inhigherpercentages on earth?
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2022
What volume of (dm\(^3\)) of water will be added to 10dm\(^3\) of 2.0 mol/dm\(^3\) HCL acid solution to give a final solution of 0.5 mol/dm\(^3\)?
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2022
Alkanes are used mainly?
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2022
2-methylprop-1-ene is a structuralisomer of?
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2022
How many bonding pair are present in carbon(iv)oxide?
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2022
In the extraction of iron, hot air is introduced into the blast furnacethrough?
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2022
Wrought iron is obtained by heating cast iron in a furnace with?
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2022
Electrons enter into orbitals in order of increasing energy as exemplified by?
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2022
H\(^+\) + OH\(^-\) H\(_2\)OThe equation above illustrates
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2022
Which of the following best represent solid gas mixture?
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2022
When heat is absorbed during a chemical reaction, the reaction is said to be
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2022
The dehydration of CH\(_3\)CH\(_2\)CH\(_2\)CH\(_2\)OH will give?
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2022
The pollutant usually presents in a city which generates its electricity from coal?
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2022
The reactions below represent neutralization reaction, in which of them is the value of H highest?
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2022
If the volume of a given mass of a gas at 0ºc is29.5cm\(^3\). What will be the volume of the gas at 15ºc, given that the pressure remains constant.
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2022
In which of the following will hydrogen form ionic compound?
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2022
2H\(_2\) + O\(_2\) 2H\(_2\)OFrom the equationabove, calculate the volume of unreacted oxygen gas if a mixture of 50cm\(^3\) of hydroden and 75cm\(^3\) of oxygen are involved
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2022
An organic compound contains 69% carbon, 15.3% hydrogen and 30.7% oxygen. Calculate the the empirical formula [C=12, H = 1, O = 16]
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2022
Crude petroleum is converted to useful products by the processof?
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