Chemistry Earth’s atmosphere is an envelope of gases extending to a height of 200 km 150 km 300 km 100 km 200 km 150 km 300 km 100 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives Copper at anode and oxygen at cathode. Copper at cathode and anodes dissolve to give copper Copper at cathode and oxygen at anode Hydrogen at cathode and oxygen at anode Copper at anode and oxygen at cathode. Copper at cathode and anodes dissolve to give copper Copper at cathode and oxygen at anode Hydrogen at cathode and oxygen at anode ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the purest form of iron? Cast iron Pig iron Steel Wrought iron Cast iron Pig iron Steel Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used to dilute oxygen for breathing by deep sea divers is: Argon Helium Neon Nitrogen Argon Helium Neon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The molecular formula of phosphorous is P3 P4 P2 P1 P3 P4 P2 P1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Neoprene is prepared by polymerisation of which of the following 1,3-butadiene 2-chloro-1, 3-butadiene 2-methyl 1, 3-butadiene Acrylonitrile 1,3-butadiene 2-chloro-1, 3-butadiene 2-methyl 1, 3-butadiene Acrylonitrile ANSWER DOWNLOAD EXAMIANS APP
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