Chemistry Main pollutants released from iron and steel industry are NO, SO3 and H2S CO, CO2 and SO2 CO2, NO2 and SO3 CO2, H2S and NO2 NO, SO3 and H2S CO, CO2 and SO2 CO2, NO2 and SO3 CO2, H2S and NO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Maximum permissible concentration of copper in drinking water in mg/L is 0.01 0.05 1 2 0.01 0.05 1 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a secondary pollutant ? CO PAN NO SO2 CO PAN NO SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sour taste of lemon is due to the presence of which of the following ? Oxalic acid Formic acid Citric acid Acetic acid Oxalic acid Formic acid Citric acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not present in German-silver? Silver Copper Zinc Nickel Silver Copper Zinc Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a mixture of potassium nitrate, powdered charcoal and sulphur called? Cement Gun powder Paint Glass Cement Gun powder Paint Glass ANSWER DOWNLOAD EXAMIANS APP
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