Chemistry Formation of ozone hole is maximum over Antarctica India Africa Europe Antarctica India Africa Europe ANSWER DOWNLOAD EXAMIANS APP
Chemistry An oxidising agent is a An electron acceptor It releases H2 in a chemical reaction In a chemical reaction its oxidation number increases An electron donor An electron acceptor It releases H2 in a chemical reaction In a chemical reaction its oxidation number increases An electron donor ANSWER DOWNLOAD EXAMIANS APP
Chemistry Catalyst is a substance which Increases the rate of the reaction None of these Decreases the rate of reaction Has no action on the rate of the reaction Increases the rate of the reaction None of these Decreases the rate of reaction Has no action on the rate of the reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused by CO2and CFCs SO2 and particulates SO2 and NO2 NO2and particulates CO2and CFCs SO2 and particulates SO2 and NO2 NO2and particulates ANSWER DOWNLOAD EXAMIANS APP
Chemistry The monomer of polythene is ethylene None of these ethyl alcohol vinyl chloride ethylene None of these ethyl alcohol vinyl chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas causing acid rain in an industrial area is Carbon monoxide Sulphur dioxide Carbon dioxide Methane Carbon monoxide Sulphur dioxide Carbon dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
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