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Page 1 of 15 TNPSC GROUP II- A X Light of Asia

TNPSC GROUP II- A...TNPSC GROUP II- A X Light of Asia

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    TNPSC GROUP II- A X

    Light of Asia

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    NH 47 A ) NH 7 NH 7 A NH 47

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    A B B C CA

    B

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    P Q

    P

    AB BC

    158.A B C D E

    C AC BE C D? B C D E

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    A R

    A R A R ARA R

    NH+4 + OH- N2 + H2O NO2 + H2O N2 + H2

    Cr0 Cr3+ Cr2+ Cr6+

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    HCL

    HCOOH CH3COOH C3H7COOH C2H5COOH

    186.B = 2 BALL = 27BOOK

    A -

    H P B M

    2.48x 2.48 – 1.52 x 1.52 0.96

    ½

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    Rough work