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Effect on Indicators by Acids and Bases

Two solutions...

Question

Two solutions A and B have pH values of 3.0 and 9.5. Which of these will turn blue litmus red and which will turn phenolphthalein from colourless to pink.

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Solution

Ph of 3.0 turns blue litmus red. Bcoz 3.0 is acidic nature on ph.
And the Ph of 9.5 turns phenolphthalein from colourless to pink. Bcoz the Ph of 9.5 is basic

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