A universal indicator paper is dipped separately in each of the solutions in the given test tubes. Which solution will have the highest pH?

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Solution

The correct option is C C

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Similar questions

Q. A student was given two test-tubes A and B each containing a colourless solution. When a few drops of universal indicator were added to the two test-tubes, one by one, then the colour of solution in test-tube A changed to blue whereas the colour of solution in test-tube B changed to orange.
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