The variation of pH during the titration of 0.5 N `Na_2CO_3` with 0.5 N HCI is shown in,the given graph. The following t

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Q 2643412343.     The variation of pH during the titration of 0.5 N `Na_2CO_3` with 0.5 N HCI is shown in,the given graph. The following table indicates the colour and pH ranges of different indicators:

(This question may have multiple correct answers)

A The first equivalence point can be detected by cresolphthalein.
B The complete neutralisation can be detected by bromothymol blue.
C The second equivalence point can be detected by bromocresol red.
D The volume of HCI required for the first equivalence point is half the volume of HCI required for the second equivalence point.

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