2004
In the electrolysis of brine, the anode is
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2004 JAMB UTME Chemistry Past Questions
2004
ZnO(s) + CO(g) → Zn(s) + CO2(g)In the reaction above, Zinc has been
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2004
The oxidation state of chlorine in HClO4 is
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2004
The allotropy of carbon used in the decolourization of sugar is
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2004
Which of the following shows little or no net reaction when the volume of the system is decreased?
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2004
N2O4(g) ↔ 2NO2(g)In the endothermic reaction above, more product formation will be favoured by
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2004
Which of the following hydrogen halides the highest entropy value?
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2004
2CO(g) + O2(g) → 2CO2(g)Given that ΔH[CO]is -110.4 kJmol-1 and ΔH[CO2] is -393.0 kJmol-1, the energy change for the reaction above is
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2004
Aluminium hydroxide is used in the dyeing industry as a
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2004
Carbon is tetravalent because
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2004
Sulphur (IV) oxide bleaches by
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2004
When steam is passed over red-hot carbon, the substances produced are
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2004
Which of the following gases can be collected by the method of downward delivery?
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2004
The alkyl group can be represented by the general formula
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2004
Oxyacetylene flame is used for iron-welding because it
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2004
Sodium metal is always kept under oil because it
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2004
Transition metals possess variable oxidation states because they have
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2004
Alloys are best prepared by
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2004
CH3COOH(g) → H4(g) + CO2(g)The reaction above is
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2004
Vulcanization involves the removal of
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