Chemistry Oxygen which is vital for life is a product of photosynthesis and comes from Carbon dioxide Oxides of mineral elements Carbonates from soil Water Carbon dioxide Oxides of mineral elements Carbonates from soil Water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas which turns into liquid at the lowest temperature among the following is Helium Oxygen Nitrogen Hydrogen Helium Oxygen Nitrogen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Photo-oxidation process is initiated by Light Heat Catalyst Oxygen Light Heat Catalyst Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used to dilute oxygen in the gas cylinders used by divers ? Neon Krypton Argon Helium Neon Krypton Argon Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a noble gas ? Hydrogen Helium Argon Neon Hydrogen Helium Argon Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is known as carbolic acid? Oxalic acid Acetic acid Phenol Ethanol Oxalic acid Acetic acid Phenol Ethanol ANSWER DOWNLOAD EXAMIANS APP
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