Chemistry Which of the following pollutants is main product of automobile exhaust ? Hydrocarbons NO CO CO2 Hydrocarbons NO CO CO2 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 Neon Sodium Nitrogen Hydrogen Neon Sodium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry PVC is obtained by the polymerisation of Styrene Propane Acetylene Vinyl chloride Styrene Propane Acetylene Vinyl chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal that is used as a catalyst in the hydrogenation of oils is Cu Ni Pb Pt Cu Ni Pb Pt ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fibres catches fire least ? Rayon Cotton Nylon Terricot Rayon Cotton Nylon Terricot ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a ‘green house gas’ ? Methane Chlorofluorocarbons Nitrogen Carbon dioxide Methane Chlorofluorocarbons Nitrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP