Chemistry Name two elements that find wide application in transistor industry Tungsten and Platinum Carbon and Platinum Iridium and Germanium Silicon and Germanium Tungsten and Platinum Carbon and Platinum Iridium and Germanium Silicon and Germanium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical properties of isotopes Must be same Must be different Need not be different Need not be same Must be same Must be different Need not be different Need not be same ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas which is mainly responsible for the green house effect is: Oxygen Carbon dioxide Carbon monoxide Ozone Oxygen Carbon dioxide Carbon monoxide Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rock salt is a mineral containing Sodium Magnesium Iron Potassium Sodium Magnesium Iron Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of a nucleus is the sum of the number of protons and neutrons present in the nucleus a fraction always more than the atomic weight always less than its atomic number the sum of the number of protons and neutrons present in the nucleus a fraction always more than the atomic weight always less than its atomic number ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of carbon in cost iron is : 0.5 to 1.5 3 to 5 0.01 to 0.25 6 to 8 0.5 to 1.5 3 to 5 0.01 to 0.25 6 to 8 ANSWER DOWNLOAD EXAMIANS APP
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