Chemistry Equal masses of oxygen, hydrogen and methane are kept under identical conditions. The ratio of the volumes of gases will be 2 : 16 : 2 1 : 1 : 1 1 : 16 : 2 2 : 16 : 1 2 : 16 : 2 1 : 1 : 1 1 : 16 : 2 2 : 16 : 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry White lung cancer' is caused by Paper Textiles Asbestos Silica Paper Textiles Asbestos Silica ANSWER DOWNLOAD EXAMIANS APP
Chemistry Substance used as an anti freeze in radiators of automobiles is : Ethyl alcohol Ethyl alcohol and H2O Methyl alcohol Methyl alcohol and H2O Ethyl alcohol Ethyl alcohol and H2O Methyl alcohol Methyl alcohol and H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry ‘Aerosol’ is known as Microbes, present in air Green house gas present in air Suspended solid particles in air Pollutant gas, present in air Microbes, present in air Green house gas present in air Suspended solid particles in air Pollutant gas, present in air ANSWER DOWNLOAD EXAMIANS APP
Chemistry The three elements most needed in common fertilisers are : Calcium, Phosphorous and Potassium Phosphorous, Sodium and Nitrogen Sulphur, Phosphorous and Sodium Nitrogen, Potassium and Phosphorous Calcium, Phosphorous and Potassium Phosphorous, Sodium and Nitrogen Sulphur, Phosphorous and Sodium Nitrogen, Potassium and Phosphorous ANSWER DOWNLOAD EXAMIANS APP
Chemistry Food cans are coated with tin and not with zinc because Zinc is costlier than tin Zinc is less reactive than tin Zinc is more reactive than tin Zinc has a higher melting point than tin Zinc is costlier than tin Zinc is less reactive than tin Zinc is more reactive than tin Zinc has a higher melting point than tin ANSWER DOWNLOAD EXAMIANS APP