1980
Which of the following does NOT happen when a zinc rod is introduced into a solution of copper (ll) sulphate?
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1980 JAMB UTME Chemistry Past Questions
1980
The chemical reaction which takes place at the anode (positive electrode) in electrolysis is?
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1980
Which of the following silver halides is readily soluble in ammonium hydroxide?
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1980
In which of the following is the oxidation state of oxygen different from its value in water?
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1980
When dilute hydrochloric acid is added to iron(ll)sulphide, the gas evolved will?
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1980
Cellulose and starches can be classified as one of the following?
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1980
The best way of collecting chlorine is?
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1980
A cold aqueous solution of sodium chloride is electrolyzed using a graphite anode and an iron cathode. In the course of the electrolysis the electrolyte is continuously stirred. The liquid left after electrolysis will th…
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1980
Hardening of an oil may achieved by?
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1980
Hardening of an oil may be achieved by?
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1980
When chlorine gas is passed into a solution of sulphur dioxide?
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1980
A mixture of ethanol, sodium dichromate, and water is allowed to drop gradually into a boiling solution containing one part concentrated H2SO4 and the liberate gas is collected by cooling it with ice water to give a liqu…
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1980
Which of the following statement is false?
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1980
If one of the following oxides is heated with hydrogen or carbon using a bunsen burner, it is not reduced to the metal. Which one is it?
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1980
Which of the following is the correct order in the above diagram increasing boiling point, of the isomeric C5H12 compounds?
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1980
Which of the following compounds will take up the molecules of bromine?
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1980
The IUPAC name for the compound is
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1980
In the above experiment X is
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1980
Copper sulphate solution was electrolysed using the apparatus show above. Which of the following changes are observed?
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1980
The following graph demonstrates the rate of reaction between calcium carbonate (marble)and dilute hydrochloric acid. The graph shows that the rate of reaction is initially greatest when
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