Chemistry Pollutant from motor car exhaust that causes mental disease is Lead SO2 Hg NO2 Lead SO2 Hg NO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a natural source of hydrocarbon? Coal Natural Gas Mica Petroleum Coal Natural Gas Mica Petroleum ANSWER DOWNLOAD EXAMIANS APP
Chemistry The inert gases are ____ in water sparingly soluble insoluble None of these soluble sparingly soluble insoluble None of these soluble ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals pollutes the air of a city having large number of automobiles? Lead Cadmium Copper Chromium Lead Cadmium Copper Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry If a buffer solution is diluted its pH Remains same Is increased Is decreased Will slowly increase and then it will decrease Remains same Is increased Is decreased Will slowly increase and then it will decrease ANSWER DOWNLOAD EXAMIANS APP
Chemistry Preparation of ‘Dalda or Vanaspati’ ghee from vegetable oil utilizes the following process : Hydrogenation Hydrolysis Ozonolysis Oxidation Hydrogenation Hydrolysis Ozonolysis Oxidation ANSWER DOWNLOAD EXAMIANS APP
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