1990
How many mole of AgNO 3 are there in 500cm3 of 0.01MAgNO3 solution?
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1990 WAEC SSCE Chemistry Past Questions
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1990
The following alloys contain copper except
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1990
Which of the following compounds crystallizes without water of crystallization?
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1990
The decomposition of hydrogen peroxide is represented by the equation: 2H2O2(l) → 2H2O(l) + O2(g). What mass of hydrogen peroxide would be required to produce 22.4 dm3 of oxygen at s.t.p.? (H = 1, O = 16, molar volu…
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1990
Nuclear reactions can be used in the following except
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1990
Which of the following is normally used for drying ammonia gas?
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1990
Which of the following explains why trioxonitrate (V) acid is not used for preparing hydrogen from metals?
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1990
Petrol can be obtained from diesel by
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1990
The following metals are extracted by the electrolytic method except
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