During the double indicator titration of a mixture of Na2CO3 and NaHCO3 against HCI, which is
correct?
(A) Phenolphthalein is used to detect the second end point
(B)
Methyl orange is used to detect the first end point
(C) phenolphthalein is used to detect both first and second end points
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Answer: I सरल रेखा मे गतिमान दो कणो a व b के वेग समय ग्राफ साथ
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