Chemistry In upper layer of atmosphere ozone is formed by Subjecting oxygen to high pressure The action of nitrogen on oxygen in atmosphere The action of ultraviolet rays on oxygen The combination of oxygen molecules Subjecting oxygen to high pressure The action of nitrogen on oxygen in atmosphere The action of ultraviolet rays on oxygen The combination of oxygen molecules ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following elements is found in maximum percentage in the human body ? Carbon Nitrozen Oxyzen Hydrogen Carbon Nitrozen Oxyzen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The elements in the modern Periodic table are arranged according to their Atomic number Neutron number Mass number Atomic Weight Atomic number Neutron number Mass number Atomic Weight ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is a solution of molten copper in Molten zinc Gaseous zinc Molten tin Solid zinc Molten zinc Gaseous zinc Molten tin Solid zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant metal in the Earth’s crust is Copper Zinc Iron Aluminium Copper Zinc Iron Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry By-product obtained by soap industry is Glycerol Naphthalene Caustic potash Caustic soda Glycerol Naphthalene Caustic potash Caustic soda ANSWER DOWNLOAD EXAMIANS APP
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