Chemistry Which of the following has pH value 7? H2SO4 Sodium Carbonate Pure Water HCl H2SO4 Sodium Carbonate Pure Water HCl ANSWER DOWNLOAD EXAMIANS APP
Chemistry The filter over which sewage is sprinkled is called as Trickling filter Percolating filter Contact bed Intermittent sand filter Trickling filter Percolating filter Contact bed Intermittent sand filter ANSWER DOWNLOAD EXAMIANS APP
Chemistry If lime water is kept in the air, it turns milky due to presence of : Carbondioxide Nitrogen Sulphurdioxide Oxygen Carbondioxide Nitrogen Sulphurdioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to remove rust stains on cloth? Lime Petrol Kerosene Oxalic acid solution Lime Petrol Kerosene Oxalic acid solution ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of rat poison is Lead nitrate Zinc phosphide Zinc oxide Potassium cyanide Lead nitrate Zinc phosphide Zinc oxide Potassium cyanide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is secondary air pollutant ? NO2 SO2 Dust particles Photochemical smog NO2 SO2 Dust particles Photochemical smog ANSWER DOWNLOAD EXAMIANS APP
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