Two solutions A and B have pH values of 3.0 and 10.5 respectively. Which of these will turn: |
(i) Blue litmus solution to red and |
(ii) Phenolphthalein from colourless to pink? |
Justify your answer in each case. |
Answer:
(i) Solution A will turn blue litmus red as it has pH 3 which is acidic in nature. (ii) Solution B will turn phenophthalein from colourless to pink as it is basic in nature having pH 10.5.
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