Chemistry Which among the following is used to dilute oxygen in the gas cylinders used by divers ? Krypton Argon Helium Neon Krypton Argon Helium Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry CNG used in automobiles to check pollution, mainly consists of CH4 N2 CO2 H2 CH4 N2 CO2 H2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of waves in n x 10th Bohr's orbit are n-2 n2 n n3 n-2 n2 n n3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a micro-element ? Nitrogen Oxygen Chlorine Hydrogen Nitrogen Oxygen Chlorine Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Impure camphor is purified by Steam distillation Fractional distillation Sublimation Fractional crystallisation Steam distillation Fractional distillation Sublimation Fractional crystallisation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer is present in Ionosphere Exosphere Stratosphere Troposphere Ionosphere Exosphere Stratosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
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