Chemistry Submarines move under water. They have engines that run on Steam Diesel Petrol and oxygen Batteries Steam Diesel Petrol and oxygen Batteries ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for filling weather balloons is Nitrogen Hydrogen Air Helium Nitrogen Hydrogen Air Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Atomic theory' of matter was given by Avogadro Pascal Dalton Newton Avogadro Pascal Dalton Newton ANSWER DOWNLOAD EXAMIANS APP
Chemistry The name of plastic polymer from which combs, toys, bowls etc., can be made, is Teflon Polyurethane Polystyrene Metallic polysulphides Teflon Polyurethane Polystyrene Metallic polysulphides ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamonds are glittering and attractive because light incident on them undergoes Multiple surface reflections Multiple internal reflections Highest refraction Hundred percent transmission Multiple surface reflections Multiple internal reflections Highest refraction Hundred percent transmission ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the number of moles of CO2 which contains 16 g of oxygen? 0.5 mole 0.25 mole 0.4 mole 0.2 mole 0.5 mole 0.25 mole 0.4 mole 0.2 mole ANSWER DOWNLOAD EXAMIANS APP
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