1979
When excess ethanol is heated to 145 oC in the presence of concentrated sulphuric acid, the product is
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1979 JAMB UTME Chemistry Past Questions
1979
A gas occupies 30.0 dm3 at S.T.P. What volume would it occupy at 91oC and 380 mm Hg?
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1979
One of the following techniques can be used to show that chlorophyll pigment is a mixture of chemical compounds and not a single coloured compound
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1979
On heating anhydrous iron (ll) sulphate, in addition to producing iron (iii) oxide, which of the following is produced?
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1979
Consider the following exothermic reaction 2SO2(g) + O2(g) = 2SO3 (g) . If the temperature of the reaction is reduced from 800oC to 500oC, and no other change takes place, then
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1979
Pick out the correct statement
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1979
A piece of metal (M) is dissolved in nitric acid and the resulting solution is treated with a small quantity of sodium hydroxide to produce a white precipitate (B) which redissolves on the addition of excess alkali. The…
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1979
The IUPAC name for
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1979
Which of the structural forms above is ethanoic acid is
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1979
Which of the following statements is true?
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