1983
Which of the following statements is FALSE?
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1983 JAMB UTME Chemistry Past Questions
1983
Liquid X, reacts with sodium trioxocarbonate (IV) (Na2CO3) to give a gas which turns calcium chloride solution milky X is
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1983
A jet plane carrying 3,000 kg of ethane burns off all the gas forming water and carbondioxide. if all the carbondioxide is expelled and all the water formed is condensed and kept on board the plane, then the gain in weig…
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1983
Which of the following is a neutralization reaction?
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1983
30 cm3 of 0.1 M Al (NO3)3 SOLUTION IS RECTED WITH 100cm3 of 0.15M of NaOH solution. Which reactant is in excess, and by now much ?
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1983
Zn + H2 SO4 → ZnSO4 + H2In the above reaction how much Zinc will be left of 1.0 M of H2SO?[Zn =65, s = 32, O = 16, H = 1]
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1983
zn + 2HCl → ZnCl2 + H2The rate of the above reaction will be greatly increased if
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1983
The equilibrium reaction between copper (l) chloride and chlorine at 25oC and 1 atmosphere is represented by the equation:2CuCl +Cl2 ⇌ 2 CuCl2 ∆H = - 166 KJ. Which of the following statements is TRUE for the reaction, pr…
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1983
In the experiment above, a current was passed for 10 minutes and 0.63g of copper was found to be deposited on the cathode of CuSO4 cells. The weight of silver deposited on the cathode og AgNO3 cell during the same period…
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1983
In the above experiment, the litmus paper will initially
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