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Arrange the following indicators in the ...

Arrange the following indicators in the order of their colours in the acidic solution. The colours are red, pink, colourless and yellow. The indicators are
(A) Turmeric
(B) Litmus
(C) Methyl orange
(D) Phenolphthalein

A

CBAD

B

CBDA

C

BCAD

D

BCDA

Text Solution

Verified by Experts

The correct Answer is:
D
Nitric acid is a strong acid as well as a strong oxidising agent. However, it is used for purification of gold as gold remains insoluble in it.
Hence, the correct option is (b).
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