1982
Which of the following processes NOT lead to a chemical change?
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1982 JAMB UTME Chemistry Past Questions
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1982
0.16g of methane when burnt raises the temperature of 100g of water by 40°C. What is the of combustion of methane when if the heat capacity of water is 4.2 Jg-1°C-1?(CH4 = 16)
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1982
Which of the following is NOT a redox reaction?
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1982
Which of the following combinations of conditions may increase the rate of a chemical reaction?
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1982
The number of grammes of potassium hydroxide in 250cm3 of one molar solution is?(K = 39, O = 16, H = 1)
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1982
60cm3 of hydrogen are sparked with 20cm3 of oxygen at 100oC and 1 atmosphere . The total volume of the residual gases in
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1982
The I.U.P.A.C name for the compound
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1982
The solubility curve of a solid X (molecular mass = 160) is as show above 1,000 cm3 of a saturated solution of X at 80oC. The weight of X crystalized out would be
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1982
1.00g of mixture of calcium carbonate and calcium oxide liberated 0.33g of carbon dioxide on strong heating. The percentage of calcium oxide in the mixture is? (Ca = 40, C = 12, O = 16)
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