Chemistry Total number of halogen elements found in the periodic table is 3 13 5 8 3 13 5 8 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Lead in water can cause Arthritis Hair falling Eye disease Kidney damage Arthritis Hair falling Eye disease Kidney damage ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the mass percentage of oxygen in carbon dioxide (CO2) 0.305 0.727 0.509 0.658 0.305 0.727 0.509 0.658 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which halide is used in making sensitive emulsion on photograhic film? Silver bromide Silver iodide Sodium chloride Silver chloride Silver bromide Silver iodide Sodium chloride Silver chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is not a pollutant ? Mercury Arsenic Aluminium Lead Mercury Arsenic Aluminium Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is secondary air pollutant ? Photochemical smog SO2 Dust particles NO2 Photochemical smog SO2 Dust particles NO2 ANSWER DOWNLOAD EXAMIANS APP
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