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- Consider the following reaction: The product 'X' is used : Option: 1 In protein estimation as an altern
Consider the following reaction: 
The product 'X' is used :
Option: 1 In protein estimation as an alternative to ninhydrin
Option: 2 in laboratory test for phenols
Option: 3 as food grade colourant
Option: 4In acid base titration as an indicator
Answers (1)
The reaction will be -
Methyl orange is used in acid-base titration as an indicator.
Therefore, Option(4) is correct.
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