Which of the following processes NOT lead to a chemical change?

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)

Which of the following is NOT a redox reaction?

Which of the following combinations of conditions may increase the rate of a chemical reaction?

The number of grammes of potassium hydroxide in 250cm3 of one molar solution is?(K = 39, O = 16, H = 1)

60cm3 of hydrogen are sparked with 20cm3 of oxygen at 100oC and 1 atmosphere . The total volume of the residual gases in

<img alt="" class="alignnone size-full wp-image-237405" height="94" src="https://data.ulearngo.com/assets/b5e3b504-621c-4ff7-98a2-27c27838d83f" width="300"/>The I.U.P.A.C name for the compound

<img alt="" class="alignnone size-full wp-image-237407" height="161" src="https://data.ulearngo.com/assets/bbd531ad-3f8e-47ca-a6d3-ccab846f332d" width="300"/>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

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)

1982 JAMB UTME Chemistry Past Questions