Chemistry Heavy metal pollution of water is caused by: Acid Plants Paints Wood burning Domestic sewage Acid Plants Paints Wood burning Domestic sewage ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals causes Itai-Itai disease ? Cobalt Cadmium Chromium Copper Cobalt Cadmium Chromium Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion in Ozone layer is caused by ________ . Nitrous oxide Chlorofluorocarbons Methane Carbon dioxide Nitrous oxide Chlorofluorocarbons Methane Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silicon is used in All of these Transistors Semiconductors Solar energy devices All of these Transistors Semiconductors Solar energy devices ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which method will be employed to test the hardness of water? None of these Distillation Formation of lather with soap Boiling None of these Distillation Formation of lather with soap Boiling ANSWER DOWNLOAD EXAMIANS APP
Chemistry German silver, an alloy, does not contain the metal Silver Zinc Nickel Copper Silver Zinc Nickel Copper ANSWER DOWNLOAD EXAMIANS APP
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