Chemistry The gas used to extinguish fire is Carbon dioxide Neon Nitrogen Carbon monoxide Carbon dioxide Neon Nitrogen Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The presence of Cobalt in Vitamin B12 was established for the first time by Spectroscopy Sodium Nitroprusside test Hydrolysis test Borax-Bead test Spectroscopy Sodium Nitroprusside test Hydrolysis test Borax-Bead test ANSWER DOWNLOAD EXAMIANS APP
Chemistry German silver used for making utensils is an alloy of Copper, silver, nickel Copper, zinc, nickel Copper, zinc, aluminium Copper, nickel, aluminium Copper, silver, nickel Copper, zinc, nickel Copper, zinc, aluminium Copper, nickel, aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pollutant responsible for ozone holes is ________ CFC SO2 CO2 CO CFC SO2 CO2 CO ANSWER DOWNLOAD EXAMIANS APP
Chemistry All isotopes of the same element have ________ The same atomic number but different atomic masses The same atomic number and the atomic mass Different atomic numbers and different atomic mass Different atomic numbers and the same atomic mass The same atomic number but different atomic masses The same atomic number and the atomic mass Different atomic numbers and different atomic mass Different atomic numbers and the same atomic mass ANSWER DOWNLOAD EXAMIANS APP
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