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The end point of a titration involving the reaction of MnO, to Mn+ can be detected by the O a. Addition of an indicator

The end point of a titration involving the reaction of MnO, to Mn+ can be detected by the O a. Addition of an indicator like phenolphthalien O b. Use of litmus paper Oc. Purple color of the MnO, disappearing Od. Use of pH meter

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