Chemistry Threshold limit value of copper in the atmospheric air is 1.0 mg/m3 0.001 mg/m3 0.01 mg/m3 5.0 mg/m3 1.0 mg/m3 0.001 mg/m3 0.01 mg/m3 5.0 mg/m3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Dry powder fire extinguishers contain Sand and potassium carbonate Sand and sodium carbonate Sand and sodium bicarbonate Sand Sand and potassium carbonate Sand and sodium carbonate Sand and sodium bicarbonate Sand ANSWER DOWNLOAD EXAMIANS APP
Chemistry The working of a dry cell is based on Combination reaction Electrolysis Decomposition reaction Spontaneous oxidation-reduction reaction Combination reaction Electrolysis Decomposition reaction Spontaneous oxidation-reduction reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following forms of phosphorus is most reactive? Violet phosphorus White phosphorus Red phosphorus Black phosphorus Violet phosphorus White phosphorus Red phosphorus Black phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following compounds of calcium, the one having highest covalent character is Cal2 CaBr2 CaF2 Cacl2 Cal2 CaBr2 CaF2 Cacl2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a man-made source of air pollution ? Automobile exhaust Bacterial action in soil and swamp areas All of these Forest fire Automobile exhaust Bacterial action in soil and swamp areas All of these Forest fire ANSWER DOWNLOAD EXAMIANS APP