Chemistry Many people died in London in 1952 as result of air pollution producing Fog Smog Sleet Mist Fog Smog Sleet Mist ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which halide is used in making sensitive emulsion on photograhic film? Silver iodide Sodium chloride Silver chloride Silver bromide Silver iodide Sodium chloride Silver chloride Silver bromide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is used in photography ? Aluminium hydroxide Sodium chloride Potassium nitrate Silver bromide Aluminium hydroxide Sodium chloride Potassium nitrate Silver bromide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon is a type of Polyamide Polyolefin Acrylic Polyester Polyamide Polyolefin Acrylic Polyester ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultraviolet radiation striking the earth is due to the depletion of Carbon monoxide Ozone Carbon dioxide Oxygen Carbon monoxide Ozone Carbon dioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals pollutes the air of a city having large number of automobiles? Cadmium Chromium Lead Copper Cadmium Chromium Lead Copper ANSWER DOWNLOAD EXAMIANS APP