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A colourless liquid sample was tested with pH paper strip. The colour of the strip changed to reddish pink. The sample could be :(1) tap water(2) sodium hydroxide solution(3) distilled water(4) ethanoic acid solution |
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Answer» A colourless liquid sample was tested with pH paper strip. The colour of the strip changed to reddish pink. The sample could be : (1) tap water (2) sodium hydroxide solution (3) distilled water (4) ethanoic acid solution |
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