Chemistry Which of the following gases is mixed with oxygen for breathing by divers in aqua lungs? Methane Nitrogen Hydrogen Helium Methane Nitrogen Hydrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Phosphorus is kept in water because Its ignition temperature is very high Its critical temperature is low Its ignition temperature is very low Its critical temperature is high Its ignition temperature is very high Its critical temperature is low Its ignition temperature is very low Its critical temperature is high ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most suitable vessel for storing concentrated sulphuric acid is Copper vessel Earthen vessel Glass vessel Aluminium vessel Copper vessel Earthen vessel Glass vessel Aluminium vessel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The tip of the match-stick contains White phosphorus Phosphorus trichloride Red phosphorus Phosphorus pentoxide White phosphorus Phosphorus trichloride Red phosphorus Phosphorus pentoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used as a catalyst in the production of high octane fuels? HCl H2SO4 HF HNO3 HCl H2SO4 HF HNO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Total number of halogen elements found in the periodic table is 8 5 13 3 8 5 13 3 ANSWER DOWNLOAD EXAMIANS APP
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