Chemistry The most abundant inert gas in the atmosphere is Helium Neon Argon Krypton Helium Neon Argon Krypton ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultra purification of a metal is done by : Smelting Leaching Slugging Zone melting Smelting Leaching Slugging Zone melting ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following laser types is used in a laser printer? Dye laser Excimer laser Gas laser Semiconductor laser Dye laser Excimer laser Gas laser Semiconductor laser ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is abundant in Gobar gas? Methane Hydrogen Oxygen Carbon dioxide Methane Hydrogen Oxygen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pollutants is main product of automobile exhaust ? CO2 NO CO Hydrocarbons CO2 NO CO Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is used as fire extinguisher ? Carbon dioxide Sulphur dioxide Carbon monoxide Carbon suboxide Carbon dioxide Sulphur dioxide Carbon monoxide Carbon suboxide ANSWER DOWNLOAD EXAMIANS APP