Chemistry Oxygen has (+) oxidation number only in OF2 H2O (2) C12O N2O OF2 H2O (2) C12O N2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is not a primary greenhouse gases in the Earth's atmosphere Carbon dioxide Ozone Methane Nitrogen Carbon dioxide Ozone Methane Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents used for cleaning clothes and utensils contain Bismuthates Nitrates Bicarbonates Sulphonates Bismuthates Nitrates Bicarbonates Sulphonates ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hard steel contains 0.1 to 0.4 per cent carbon 2 to 5 per cent carbon 0.01 to 0.04 per cent carbon 0.5 to 1.5 per cent carbon 0.1 to 0.4 per cent carbon 2 to 5 per cent carbon 0.01 to 0.04 per cent carbon 0.5 to 1.5 per cent carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry In silvery paints, the main constituent present is Silver powder Aluminium powder White lead Lead powder Silver powder Aluminium powder White lead Lead powder ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicles which causes air pollution is Carbon dioxide Ozone gas Carbon Monoxide Methane Carbon dioxide Ozone gas Carbon Monoxide Methane ANSWER DOWNLOAD EXAMIANS APP