Chemistry Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygend. Chemical reaction with CO2 C and d B and c A and b A and c C and d B and c A and b A and c ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lightest gas which is non-inflammable is Oxygen Hydrogen Nitrogen Helium Oxygen Hydrogen Nitrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Burning pyrites ore gives out Carbon dioxide gas Nitric oxide gas Sulphur dioxide gas Nitrogen dioxide gas Carbon dioxide gas Nitric oxide gas Sulphur dioxide gas Nitrogen dioxide gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The name of plastic polymer from which combs, toys, bowls etc., can be made, is Teflon Polystyrene Metallic polysulphides Polyurethane Teflon Polystyrene Metallic polysulphides Polyurethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Green house effect is accelerated by Increased transportation activity All of these Deforestation Rapid industrialization Increased transportation activity All of these Deforestation Rapid industrialization ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas causing acid rain in an industrial area is Methane Carbon monoxide Sulphur dioxide Carbon dioxide Methane Carbon monoxide Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
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