Chemistry A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be Zinc Silver Aluminium Copper Zinc Silver Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Equal masses of oxygen, hydrogen and methane are kept under identical conditions. The ratio of the volumes of gases will be 1 : 16 : 2 2 : 16 : 2 2 : 16 : 1 1 : 1 : 1 1 : 16 : 2 2 : 16 : 2 2 : 16 : 1 1 : 1 : 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is not a green house gas ? CH4 Chlorofluorocarbons CO2 N2O CH4 Chlorofluorocarbons CO2 N2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Petroleum consists of a mixture of Hydrocarbons Carbonates Carbohydrates Carbides Hydrocarbons Carbonates Carbohydrates Carbides ANSWER DOWNLOAD EXAMIANS APP
Chemistry Higher concentration of nitrogen dioxide in atmosphere air causes Cancer Corrosion Asphyxiation Bronchitis Cancer Corrosion Asphyxiation Bronchitis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Burning pyrites ore gives out Carbon dioxide gas Sulphur dioxide gas Nitric oxide gas Nitrogen dioxide gas Carbon dioxide gas Sulphur dioxide gas Nitric oxide gas Nitrogen dioxide gas ANSWER DOWNLOAD EXAMIANS APP
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