2001
In which of the reactions represented by the following equations is HNO3 behaving as a typical acid?
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2001 WAEC SSCE Chemistry Past Questions
2001
Which of the following would dissolve in warm dilute H2SO4 without effervescence, to give a blue solution?
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2001
A mixture of calcium chloride and calcium trioxocarbonate (IV) in water can be separated by
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2001
Which of the following pairs of reagents reat to produce hydrogen?
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2001
What is the oxidation number of nitrogen in AI(NO3)3?
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2001
A reaction is represented by the equation below. A2(g) + B2(g) 2AB(g); ∆H = +X kJmol-1 Which of the following statements about the system is correct?
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2001
Consider the following equation: Ag+(aq) + CI-(aq) → Ag+CI- (s) ; ∆H = _65.7 kJmol-1. From the equation, it can be deduced that
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2001
What does ∆H represent in the following equation ? Cl(g) + e- → CI- (g); ∆H = - 363 kJ mol-1
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2001
It can be concluded that gastric juice
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2001
In the electrolysis of CuSO4(aq) using copper electrodes, the reaction at the anode is
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2001
Given that the order of reactivity of four metals is P>Q>R>S, which of the following reactions is feasible?
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2001
Which of the following substances decomposes when an electric current is passed through it?
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2001
What is oxidized in the reaction represented by the following equation? 3CU + 8HNO3 → 3Cu(NO3)2 + 2NO + 4H2O
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2001
Which of the following polymers contains nitrogen?
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2001
One of the products of combustion of pentane in excess air is
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2001
Benzene produces more soot than ethene on burning because benzene
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2001
Hydrogenation of butene yields
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2001
A feasible cell was constructed by joining the two half cells below. Cu2+(aq) + 2e- → Cu(s) Eo = - 0.76 V. What is the standard e.m.f. of the cell?
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2001
Which of the following reactions represents the change that occurs when a photographic film is exposed to sunlight?
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2001
If 10 cm 3 of distilled water is added to 10 cm3 of an aqueous salt solution, the concentration of the solution
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