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Question
A solution 'X' gives orange colour when a drop of it falls on pH paper, while another solution 'Y' gives bluish colour when a drop of it falls on pH paper. What is the nature of both solutions? Determine the pH of solutions 'X' and 'Y'.
Solution
The solution X giving orange colour when a drop of it falls on pH paper is acidic in nature having pH value 4.
The solution Y giving bluish colour when a drop of it falls on pH paper is basic in nature having pH value 9.
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