Chemistry The metals commonly used for electroplating are Chromium, Copper and Nickel Gold, Sodium and Potassium Nickel, Lead and Chromium Gold, Sodium and Chromium Chromium, Copper and Nickel Gold, Sodium and Potassium Nickel, Lead and Chromium Gold, Sodium and Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . X–rays Gamma rays Ultraviolet rays (UV) Infra-red (IR) X–rays Gamma rays Ultraviolet rays (UV) Infra-red (IR) ANSWER DOWNLOAD EXAMIANS APP
Chemistry The liquid waste from kitchens and baths, of residences is known as : Storm water Sullage Refuse Domestic sewage Storm water Sullage Refuse Domestic sewage ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to remove rust stains on cloth? Oxalic acid solution Kerosene Lime Petrol Oxalic acid solution Kerosene Lime Petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source of naphthalene is Coal-tar Diesel Camphor Charcoal Coal-tar Diesel Camphor Charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The value of gas constant R in Ergs deg–1 mole–1 is 8.314 × 107 8.413 × 107 4.183 × 107 8.341 × 107 8.314 × 107 8.413 × 107 4.183 × 107 8.341 × 107 ANSWER DOWNLOAD EXAMIANS APP
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