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Home/Brass gets discoloured in air because of the presence of which of the following gases in air
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Brass gets discoloured in air because of the presence of which of the following gases in air

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  1. arashak619@gmail.com

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    [email protected]
    2013-01-03T10:00:58+05:30Added a comment on January 3, 2013 at 10:00 am

    I dont know. Refer google for more details.

  2. VIGNESH

    VIGNESH

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    VIGNESH
    2013-01-03T14:03:00+05:30Added a comment on January 3, 2013 at 2:03 pm

    oxegen

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