2000
MnO4(aq) + 8H+(aq) + Y → Mn2+(aq) + 4H2O(l)Y in the equation above represents
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2000 JAMB UTME Chemistry Past Questions
2000
The pOH of a solution of 0.25 mol dm-3 of hydrochloric acid is
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2000
In which order are the following salts sensitive to light?
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2000
HCL(aq) + H2O(l) H3O+(aq) + Cl-(aq)In the reaction above, Cl-(aq) is the
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2000
Hydration of ions in solution is associated with
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2000
N2(g) + O2(g) ↔ 2NO(g); ΔH = + 180.6 kJ mol-1In the reaction above, increase in temperature will
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2000
Powdered marble reacts faster with hydrochloric acid solution than the granular form because the powdered form has
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2000
0.46g of ethanol when burned raised the temperature of 50g of water by 14.3K. Calculate the heat of combustion of ethanol.[C = 12, O = 16, H = 1, Specific heat capacity of water = 4.2 jg-1K-1]
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2000
Given that M is the mass of substance deposited in an electrolysis and Q the quantity of electricity consumed, then Faraday's law can be written as
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2000
(1/2)Zn2+(aq) + e- → (1/2) Zn(s)In the reaction above, calculate the quantity of electricity required to discharge zinc.[F = 96 500 C mol-1]
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2000
The refreshing and characteristic taste of soda water and other soft drinks is as a result of the presence in them of
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2000
A gas that is not associated with global warming is
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2000
The substance often use for vulcanization of rubber is
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2000
A phenomenon where an element exist in different forms in the same physical state is known as
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2000
For a reaction in equilibrium, the species involved in the equilibrium constant expression are
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2000
Haematite is an ore of
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2000
A common characteristics of copper and silver in their usage as coinage metals is that they
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2000
Potassium vapour burns with a
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2000
Synthesis gas is a mixture of
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2000
A form of carbon used for absorbing poisonous gases and purification of noble gases is
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