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In borax bead test which compound is for...

In borax bead test which compound is formed ?

A

Ortho-borate

B

Meta-borate

C

Double oxide

D

Tetra-borate

Text Solution

Verified by Experts

The correct Answer is:
B
`Na_(2)B_(4)O_(7).10H_(2)O overset(Delta)underset(-10H_(2)O)rarrNa_(2)B_(4)O_(7)`
`underset("anhydrous")(Na_(2)B_(4)O_(7)) overset (Delta) rarr underset("sod. metaborate")(2NaBO_(2)) + underset("Boric anhydride") (B_(2)O_(3))`
`CuO +B_(2)O_(3) rarr underset("cupric meta borate (Blue beed)")(Cu(BO_(2))_(2))`
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Knowledge Check

  • IN the borax bead test which compound is formed ?

    A
    Orthoborate
    B
    Metaborate
    C
    Double oxide
    D
    Tetraborate

  • In breax bead test,Which compound (s)is/are not formed?

    A
    Orthoborate
    B
    Metaborate
    C
    Double oxide
    D
    Tetrqaborate

  • In borax bead test, which of the following compound is formed

    A
    Meta borate
    B
    Double oxide
    C
    Ortho borate
    D
    Tetra borate

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