Chemistry Which among the following coal contains 90 per cent of carbon? Bitumen Peat Anthracite Lignite Bitumen Peat Anthracite Lignite ANSWER DOWNLOAD EXAMIANS APP
Chemistry What particles move around the nucleus of an atom and are negatively charged? Positrons Protons Neutrons Electrons Positrons Protons Neutrons Electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals can displace copper from copper sulphate solution ? Iron Platinum Gold Mercury Iron Platinum Gold Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is present under pressure in soft drinks? Nitrous oxide Carbon dioxide Oxygen Nitrogen Nitrous oxide Carbon dioxide Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rock salt is a mineral containing Potassium Sodium Magnesium Iron Potassium Sodium Magnesium Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heaviest naturally occurring element is: Uranium Mercury Polonium Thorium Uranium Mercury Polonium Thorium ANSWER DOWNLOAD EXAMIANS APP