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Suppose you have four test tubes labelled as 'A',’B', 'C’, and 'D'. ‘A’ contains plain water, 'B' contains solution of an alkali, 'C' contains solution of an acid, and ‘D' contains solution of sodium chloride. Which one of these solutions will turn phenolphthalein solution pink? |
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(a) |
Solution ‘A’ |
(b) |
Solution ‘B’ |
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(c) |
Solution ‘c’ |
(d) |
Solution ‘D’ |
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Suppose you have four test tubes labelled as 'A',’B', 'C’, and 'D'. ‘A’ contains plain water, 'B' contains solution of an alkali, 'C' contains solution of an acid, and ‘D' contains solution of sodium chloride. Which one of these solutions will turn phenolphthalein solution pink? |
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(a) |
Solution ‘A’ |
(b) |
Solution ‘B’ |
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(c) |
Solution ‘c’ |
(d) |
Solution ‘D’ |
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