Chemistry Which of the following could be used as fuel in propellant or rockets ? Liquid Oxygen + Liquid Argon Liquid Hydrogen + Liquid Oxygen Liquid Hydrogen + Liquid Nitrogen Liquid Nitrogen + Liquid Oxygen Liquid Oxygen + Liquid Argon Liquid Hydrogen + Liquid Oxygen Liquid Hydrogen + Liquid Nitrogen Liquid Nitrogen + Liquid Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . Infra-red (IR) X–rays Gamma rays Ultraviolet rays (UV) Infra-red (IR) X–rays Gamma rays Ultraviolet rays (UV) ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas which turns into liquid at the lowest temperature among the following is Nitrogen Hydrogen Helium Oxygen Nitrogen Hydrogen Helium Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Natural rubber is a polymer of Propene Styrene Vinyl acetate Isoprene Propene Styrene Vinyl acetate Isoprene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases will effuse out of football bladder most quickly ? He N 2 O2 H2 He N 2 O2 H2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercial nitric acid is coloured because it contains dissolved : Coloured impurities Nitrous oxide Oxygen Nitrogen dioxide Coloured impurities Nitrous oxide Oxygen Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
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