1986
When chlorine is passed into water and subsequently exposed to sunlight, the gas evolved is?
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1986 JAMB UTME Chemistry Past Questions
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1986
Which of the following is NOT correct test for the named organic compound in each case?
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1986
How will a metal X, which reacts explosively with air and with dilute acids be best extracted from its ores?
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1986
Which of the following compounds would give lilac flame coloration and a white precipitate with acidified barium chloride solution?
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1986
A white solid suspected to be lead trioxonitrate (V) zinc trioxocarbonate (IV) or calcium trioxocabonate (IV) was heated strongly. Its residue which was yellow when hot and white when cold is?
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1986
Which of the following does NOT contain aluminium as component?
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1986
Which of the following substance is a mixture?
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1986
Which of the following compounds is NOT formed by the action of chlorine on methane?
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1986
When ethanol is heated with excess concentrated sulphuric acid, the ethanol is?
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1986
What reaction takes place when palm-oil is added to potash and foam are observed?
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1986
Which of the following is used as an 'anti-knock' in automobile engines?
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1986
Starch can be converted to ethyl alcohol by?
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1986
Which of the following are made by the process of polymerization?
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1986
What mass of a divalent metal M (atomic mass = 40) would react with excess hydrogen gas measured at S.T.P?
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1986
The movement of liquid molecules from the surface of the liquid to the gaseous phase above it is known as?
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1986
The general formula of an alkyl halide (where X represents the halide) is?
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1986
Which of the following substances is a mixture?
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1986
Use the options above to answer this question. Which is the structural formula for pent-2-enoic acid?
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1986
The tabulated results below were obtained by titration 10.0 cm3 of water with soup. The titration was repeated with the same sample of water after boiling. The ratio of permanent to temporary hardness is
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1986
In the electrolysis of aqueous solution of K2SO 4 in the above cell, which species migrate to the anode?
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