Chemistry Which of the following metals is not a pollutant ? Mercury Arsenic Aluminium Lead Mercury Arsenic Aluminium Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which halide is used in making sensitive emulsion on photograhic film? Silver iodide Silver chloride Sodium chloride Silver bromide Silver iodide Silver chloride Sodium chloride Silver bromide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Calcium salts used as fertilizer is : Calcium Carbide Calcium Carbonate Calcium Cyanide Calcium Sulphate Calcium Carbide Calcium Carbonate Calcium Cyanide Calcium Sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry In vulcanisation process, rubber can be hardened by adding Alcohol Sulphur Silicon Nitrogen Alcohol Sulphur Silicon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is x/6 5x/36 7.2 x 5x x/6 5x/36 7.2 x 5x ANSWER DOWNLOAD EXAMIANS APP
Chemistry Combustion of a candle is a/an Exothermic reaction Endothermic reaction Photochemical reaction Physical change Exothermic reaction Endothermic reaction Photochemical reaction Physical change ANSWER DOWNLOAD EXAMIANS APP
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