Chemistry Which of the following is a renewable source of energy ? Natural gas Coal Uranium Geothermal powder Natural gas Coal Uranium Geothermal powder ANSWER DOWNLOAD EXAMIANS APP
Chemistry Burning pyrites ore gives out Nitric oxide gas Nitrogen dioxide gas Sulphur dioxide gas Carbon dioxide gas Nitric oxide gas Nitrogen dioxide gas Sulphur dioxide gas Carbon dioxide gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be Aluminium Silver Zinc Copper Aluminium Silver Zinc Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The function of sedimentation tank in sewage treatment is to: Remove suspended solids Aerate the sewage Remove water content Disinfect the sewage Remove suspended solids Aerate the sewage Remove water content Disinfect the sewage ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element by number in the living system is : Hydrogen Oxygen Nitrogen Carbon Hydrogen Oxygen Nitrogen Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygend. Chemical reaction with CO2 A and b C and d A and c B and c A and b C and d A and c B and c ANSWER DOWNLOAD EXAMIANS APP
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