Chemistry The gas used for filling weather balloons is Air Hydrogen Helium Nitrogen Air Hydrogen Helium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that is used in the manufacture of vanaspati ghee is : Hydrogen Nitrogen Oxygen Carbon dioxide Hydrogen Nitrogen Oxygen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Exposure to mixtures of chemicals are greater than expected on the basis of effects of exposure to each chemical individually. This is known as Synergism Independent Antagonism Additives Synergism Independent Antagonism Additives ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrification is the biological process of converting N2 into nitrate Ammonia into N2 Ammonia into nitrite N2into nitrite N2 into nitrate Ammonia into N2 Ammonia into nitrite N2into nitrite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Choose the incorrect statement pertaining to organic compounds They do not dissolve in water They have low melting and boiling points They contain mainly carbon and hydrogen They are not easily combustible They do not dissolve in water They have low melting and boiling points They contain mainly carbon and hydrogen They are not easily combustible ANSWER DOWNLOAD EXAMIANS APP
Chemistry Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ? Hydrogen Sodium Neon Nitrogen Hydrogen Sodium Neon Nitrogen ANSWER DOWNLOAD EXAMIANS APP