Chemistry Of the following, which one pollutes the air of a big city ? Chromium Lead Cadmium Copper Chromium Lead Cadmium Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of Iron is : Steel Pig iron Wrought iron Cast iron Steel Pig iron Wrought iron Cast iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which method will be employed to test the hardness of water? None of these Boiling Formation of lather with soap Distillation None of these Boiling Formation of lather with soap Distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Solder is an alloy of Tin, lead Copper, lead Lead, zinc Sodium, lead Tin, lead Copper, lead Lead, zinc Sodium, lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most pure form of Carbon among the options is Anthracite Lampblack Graphite Wood Charcoal Anthracite Lampblack Graphite Wood Charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused by the pollution of environment by Ozone and Carbon dioxide Nitrous oxide and Sulphur dioxide Carbon dioxide and Nitrogen Carbon monoxide and Carbon dioxide Ozone and Carbon dioxide Nitrous oxide and Sulphur dioxide Carbon dioxide and Nitrogen Carbon monoxide and Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP