Chemistry The metal that is used as a catalyst in the hydrogenation of oils is Pb Ni Cu Pt Pb Ni Cu Pt ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main source of carbon monoxide is Solid waste disposal Transportation Industrial process Fuel combustion Solid waste disposal Transportation Industrial process Fuel combustion ANSWER DOWNLOAD EXAMIANS APP
Chemistry Burning pyrites ore gives out Sulphur dioxide gas Carbon dioxide gas Nitrogen dioxide gas Nitric oxide gas Sulphur dioxide gas Carbon dioxide gas Nitrogen dioxide gas Nitric oxide gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The name of unreactive gas is Oxygen Hydrogen Nitrogen Carbon dioxide Oxygen Hydrogen Nitrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry For extinguishing fire, we use Carbon Monoxide Carbon Dioxide Marsh gas Hydrogen Carbon Monoxide Carbon Dioxide Marsh gas Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Main source of lead pollution is from Tobacco Leaded gasoline Insecticides Sewage Tobacco Leaded gasoline Insecticides Sewage ANSWER DOWNLOAD EXAMIANS APP
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