Chemistry Brass is a solution of molten copper in Molten zinc Solid zinc Gaseous zinc Molten tin Molten zinc Solid zinc Gaseous zinc Molten tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultraviolet radiation striking the earth is due to the depletion of Carbon monoxide Oxygen Carbon dioxide Ozone Carbon monoxide Oxygen Carbon dioxide Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a noble gas ? Hydrogen Argon Neon Helium Hydrogen Argon Neon Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The monomer of polythene is ethylene None of these vinyl chloride ethyl alcohol ethylene None of these vinyl chloride ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of water in nature is Lake water Sea water Rain water River water Lake water Sea water Rain water River water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Coal is formed from Crude oil Compressed and hardened biomass Deposit of animal waste Coke Crude oil Compressed and hardened biomass Deposit of animal waste Coke ANSWER DOWNLOAD EXAMIANS APP
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