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(a) what are the acidic range and the alkaline range in the Ph scale?(b) State one advantage of using ‘Ph paper’ for measuring the Ph value of an unknown solution |
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Answer» (a) The p H scale ranges from 0 to 14. p H = 7 , Solution is neutral p H <7 , Solution is acidic p H >7 , Solution is basic (b) One advantage of measuring the pH of unknown solution by using pH paper is that we can come to know whether the solution is acidic, basic or neutral without wasting the solution. |
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