Question

Which are the uses of the various gases in air?
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Answer 1

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Oxygen (O2): medical use, welding Nitrogen (N2): fire suppression, provides inert atmosphere Helium (He): balloons, medical equipment Argon (Ar): welding, provides inert atmosphere for materials Carbon dioxide (CO2): carbonated soft drinks Acetylene (C2H2): welding Propane (C3H8): fuel for he
at, gas grills Butane (C4H10): fuel for lighters and torches Nitrous oxide (N2O): propellant for whipped topping, anesthesia Freon (various chlorofluorocarbons): coolant for air conditioners, refrigerators, freezers
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Answer 2

oxygen -medicle use ,breathing
nitrogen-fire suppression,provides inert atmosphere
helium-balloons,medicle equipment
carbondioxide-carbnated soft drinks

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