Chemistry Many people died in London in 1952 as result of air pollution producing Fog Smog Sleet Mist Fog Smog Sleet Mist ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer is present in Ionosphere Troposphere Stratosphere Exosphere Ionosphere Troposphere Stratosphere Exosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry Baking soda is : Sodium carbonate Potassium carbonate Sodium bicarbonate Sodium hydroxide Sodium carbonate Potassium carbonate Sodium bicarbonate Sodium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of rat poison is Zinc phosphide Lead nitrate Zinc oxide Potassium cyanide Zinc phosphide Lead nitrate Zinc oxide Potassium cyanide 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 1 : 1 : 1 2 : 16 : 1 1 : 16 : 2 2 : 16 : 2 1 : 1 : 1 2 : 16 : 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pollutants is main product of automobile exhaust ? NO Hydrocarbons CO2 CO NO Hydrocarbons CO2 CO ANSWER DOWNLOAD EXAMIANS APP