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The water having more dissolved O(2) is...

The water having more dissolved `O_(2)` is

A

boiling water

B

water at `80^(@)C`

C

polluted water

D

water at `4^(@)C`

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Knowledge Check

  • One kilogram of sea water contains 6 mg of dissolved O_(2) . The concentration of O_(2) in the sample in ppm is :

    A
    0.6
    B
    `6.0`
    C
    `60.0`
    D
    `2.0`

  • One kilogram of a sea water sample contains 6 mg of dissolved O_(2) . The concentration of O_(2) in the sample in ppm is

    A
    0.6
    B
    6
    C
    60
    D
    16

  • Water gas is mixed with steam and the mixture is passed over heated Fe_(2) O_(3) in presence of Cr_(2)O_(3) . The mixture when passed in water dissolves CO_(2) and dihydrogen left undissolved is collected . This method of preparation of hydrogen gas is know as

    A
    Bosch process
    B
    Lane process
    C
    Kellner process
    D
    Hall process
    • JEE MAINS PREVIOUS YEAR-JEE MAINS 2021-CHEMISTRY (SECTION-A)
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