1.

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.

Answer»

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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