Chemistry The highest volume of gases in lower atmosphere is comprised of Nitrogen Oxygen Hydrogen Carbon dioxide Nitrogen Oxygen Hydrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the main nitrogenous waste in humans ? Ammonium Nitrate Urea Uric Acid Ammonia Ammonium Nitrate Urea Uric Acid Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following contains high content of lead? High octane fuel Cooking gas Low octane fuel Coal High octane fuel Cooking gas Low octane fuel Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Where does the oxygen that keeps us alive come from? Oxides of minerals Carbon dioxide Carbonates absorbed from soil Water Oxides of minerals Carbon dioxide Carbonates absorbed from soil Water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is known as carbolic acid? Acetic acid Ethanol Oxalic acid Phenol Acetic acid Ethanol Oxalic acid Phenol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heating of a ore below its melting point in the absence of air is known as Smelting Calcination Roasting Refining Smelting Calcination Roasting Refining ANSWER DOWNLOAD EXAMIANS APP
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