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(a). What would you expect the pH of pure water to be? (b). What colour would the universal indicator show in an aqueous solution of sugar? Why? (c). A sample of rain water turned universal indicator paper yellow. What would you expect its pH to be? Is it a strong or a weak acid? |
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Answer» (a) 7 (b) green, Neutral solution (c) Between 5 and 6, Weak acid |
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