In lake test for Al^(3+) ions, there is ...

In lake test for `Al^(3+)` ions, there is the formation of coloured 'floating lake'. It is due to :

A

Absorption of litmus by `[Al(OH)_4]^(-)`

B

Absorption of litmus by `Al(OH)_3`

C

Adsorption of litmus by `[Al(OH)_4]^(-)`

D

Adsorption of litmus by `Al(OH)_3`

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The correct Answer is:

D

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