Chemistry Stains of rust on clothes can be removed by : Oxalic acid Petrol H2O2 Alcohol Oxalic acid Petrol H2O2 Alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry In addition to hydrogen, the other abundant element present on Sun’s surface is Argon Oxygen Neon Helium Argon Oxygen Neon Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound to which H2 does not add is Tetraphenyl ethylene Tetra – a –naphthylethylene Tetra –9 – phenanthrylethylene Biphenyl ethylene Tetraphenyl ethylene Tetra – a –naphthylethylene Tetra –9 – phenanthrylethylene Biphenyl ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The tip of the match-stick contains White phosphorus Phosphorus pentoxide Phosphorus trichloride Red phosphorus White phosphorus Phosphorus pentoxide Phosphorus trichloride Red phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a micro-element ? Hydrogen Nitrogen Oxygen Chlorine Hydrogen Nitrogen Oxygen Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number is the number equal to None of these Protons Neutrons Electrons None of these Protons Neutrons Electrons ANSWER DOWNLOAD EXAMIANS APP
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