Chemistry The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is helium ozone oxygen methane helium ozone oxygen methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for filling weather balloons is Hydrogen Air Helium Nitrogen Hydrogen Air Helium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Liquid Nitrogen boils at 77 kelvin 97 Kelvin 54 kelvin 82 Kelvin 77 kelvin 97 Kelvin 54 kelvin 82 Kelvin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aluminium salt commonly used to stop bleeding is Potash alum Aluminium sulphate Aluminium Chloride Aluminium nitrate Potash alum Aluminium sulphate Aluminium Chloride Aluminium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is a naturally occuring noble gas Argon Potassium Boron Sodium Argon Potassium Boron Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry One property of ammonia is It is a yellowish gas Its aqueous solution turns red litmus blue It is a odourless gas It is insoluble in water It is a yellowish gas Its aqueous solution turns red litmus blue It is a odourless gas It is insoluble in water ANSWER DOWNLOAD EXAMIANS APP
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