Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Chromium Lead Zinc Nickel Chromium Lead Zinc Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry 24 carat of diamond is equal to 200 mg 200 g 91% gold 95% mg 200 mg 200 g 91% gold 95% mg ANSWER DOWNLOAD EXAMIANS APP
Chemistry J.J. Thomson’s proposed model of atom is generally called ________ model. Cream and pudding Plum and pudding Cream and cake Plum and cake Cream and pudding Plum and pudding Cream and cake Plum and cake ANSWER DOWNLOAD EXAMIANS APP
Chemistry In arc welding, Argon is used because of its Ability to lower the melting point of the metal High flammability Low reactivity with metal High calorific value Ability to lower the melting point of the metal High flammability Low reactivity with metal High calorific value ANSWER DOWNLOAD EXAMIANS APP
Chemistry Name two elements that find wide application in transistor industry Silicon and Germanium Carbon and Platinum Tungsten and Platinum Iridium and Germanium Silicon and Germanium Carbon and Platinum Tungsten and Platinum Iridium and Germanium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Except mercury which is the other metal that is liquid at standard conditions for temperature and pressure Magnesium Barium Lead Bromine Magnesium Barium Lead Bromine ANSWER DOWNLOAD EXAMIANS APP
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