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Which green coloured compound of chromiu...

Which green coloured compound of chromium is formed in borax bead test ?

A

`Cr(BO_(2))_(3)`

B

`Cr_(2) (B_(4)O_(7))_(3)`

C

`Cr_(2)O_(3)`

D

`CrB`

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Knowledge Check

  • Which gives blue bead in borax bead test ?

    A
    `Cr^(3+)`
    B
    `Co^(2+)`
    C
    `Ni^(2+)`
    D
    `Cd^(2+)`

  • Which of the following compounds is formed in the borax bead test

    A
    Metal metaborate
    B
    Boron oxide
    C
    Metal boride
    D
    Metallic boron

  • The compound present in borax bead is:

    A
    `B_(2)O_(3)`
    B
    `NaBO_(2)`
    C
    `NaBO_(3)`
    D
    `NaBO_(2)+B_(2)O_(3)`

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