Chemistry Main source of lead pollution is from Insecticides Tobacco Leaded gasoline Sewage Insecticides Tobacco Leaded gasoline Sewage ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain' is caused due to air - pollution by Carbon dioxide Carbon monoxide Methane Nitrous oxide and sulphur dioxide Carbon dioxide Carbon monoxide Methane Nitrous oxide and sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is used as fire extinguisher ? Carbon monoxide Carbon dioxide Sulphur dioxide Carbon suboxide Carbon monoxide Carbon dioxide Sulphur dioxide Carbon suboxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Table salt gets moist during rainy season because Sodium chloride contains hygroscopic impurities like magnesium chloride Sodium chloride is deliquescent Sodium chloride is hygroscopic Sodium chloride contains some quantity of sodium iodide Sodium chloride contains hygroscopic impurities like magnesium chloride Sodium chloride is deliquescent Sodium chloride is hygroscopic Sodium chloride contains some quantity of sodium iodide ANSWER DOWNLOAD EXAMIANS APP
Chemistry In an oxygen molecule, two atoms are united by One bond Four bonds Three bonds Two bonds One bond Four bonds Three bonds Two bonds ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of fire extinguisher is used for petroleum fire ? Powder type None of these Foam type Soda acid type Powder type None of these Foam type Soda acid type ANSWER DOWNLOAD EXAMIANS APP