Chemistry Which of the following is colourless ? Sulphur Phosphorus Chlorine Oxygen Sulphur Phosphorus Chlorine Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most commonly used substance in fluorescent tubes? Sodium vapour and neon Mercury oxide and neon Sodium oxide and argon Mercury vapour and argon Sodium vapour and neon Mercury oxide and neon Sodium oxide and argon Mercury vapour and argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Total number of halogen elements found in the periodic table is 13 3 8 5 13 3 8 5 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Neoprene is a polymer of Chloroprene Isoprene Isopentane Isobutane Chloroprene Isoprene Isopentane Isobutane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for artificial ripening of green fruit is carbon dioxide ethane acetylene ethylene carbon dioxide ethane acetylene ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Removal of carbon particles from air involves the principle of Filteration Sedimentation Precipitation Electrophoresis Filteration Sedimentation Precipitation Electrophoresis ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS