Chemistry Which of the following pollutants is main product of automobile exhaust ? NO CO Hydrocarbons CO2 NO CO Hydrocarbons CO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry In chemical terms, what are alums used for purifying water for drinking purposes ? Double sulphates Nitrates of aluminium Double nitrate Hydrated chlorides Double sulphates Nitrates of aluminium Double nitrate Hydrated chlorides ANSWER DOWNLOAD EXAMIANS APP
Chemistry The resources which can be used continuously, year-after -year are called Renewable Biotic Non-renewable Abiotic Renewable Biotic Non-renewable Abiotic ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical formula of the laughing gas is N2O NO2 NO N2O3 N2O NO2 NO N2O3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxide of sulphur present in the atmosphere are washed down by rains to cause : Lowering of pH of soil Eutrophication in lakes Industrial smog formation Depletion of fossil fuel reserves Lowering of pH of soil Eutrophication in lakes Industrial smog formation Depletion of fossil fuel reserves ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is chiefly present in LPG (Liquefied Petroleum Gas) ? Propane Methane Ethane Butane Propane Methane Ethane Butane ANSWER DOWNLOAD EXAMIANS APP