Chemistry The common refrigerant in domestic refrigerator is Oxygen Neon Nitrogen Freon Oxygen Neon Nitrogen Freon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Magnetite is Fe3O4 2Fe2O3. 3H2O Fe2O3 FeCO3 Fe3O4 2Fe2O3. 3H2O Fe2O3 FeCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main constituent of natural gas is Methane Propane Butane Ethane Methane Propane Butane Ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain' is caused due to air - pollution by Methane Carbon dioxide Carbon monoxide Nitrous oxide and sulphur dioxide Methane Carbon dioxide Carbon monoxide Nitrous oxide and sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is a naturally occuring noble gas Argon Sodium Potassium Boron Argon Sodium Potassium Boron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vinegar is an aqueous solution of Oxalic acid Citric acid Hydrochloric acid Acetic acid Oxalic acid Citric acid Hydrochloric acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
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