Chemistry In upper layer of atmosphere ozone is formed by The action of nitrogen on oxygen in atmosphere Subjecting oxygen to high pressure The action of ultraviolet rays on oxygen The combination of oxygen molecules The action of nitrogen on oxygen in atmosphere Subjecting oxygen to high pressure The action of ultraviolet rays on oxygen The combination of oxygen molecules ANSWER DOWNLOAD EXAMIANS APP
Chemistry The resources which can be used continuously, year-after -year are called Renewable Non-renewable Abiotic Biotic Renewable Non-renewable Abiotic Biotic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Interveinal necrotic spots on leaves appear due to NO2injury SO2injury HF injury O3injury NO2injury SO2injury HF injury O3injury ANSWER DOWNLOAD EXAMIANS APP
Chemistry German silver used for making utensils is an alloy of Copper, zinc, aluminium Copper, silver, nickel Copper, zinc, nickel Copper, nickel, aluminium Copper, zinc, aluminium Copper, silver, nickel Copper, zinc, nickel Copper, nickel, aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical bahaviour of an atom depends upon The number of neutrons in the nucleus The number of nucleons in the nucleus The number of electrons orbiting around the nucleus The number of protons in its nucleus The number of neutrons in the nucleus The number of nucleons in the nucleus The number of electrons orbiting around the nucleus The number of protons in its nucleus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Limestone is a raw material used by which industry? Petrochemicals Cement Fertilizers Aluminium Petrochemicals Cement Fertilizers Aluminium ANSWER DOWNLOAD EXAMIANS APP
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