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Question 10: Blue litmus paper is dipped in a solution. It remains blue. What is the nature of the solution? Explain.

Question 10:
Blue litmus paper is dipped in a solution. It remains blue. What is the nature of the solution? Explain.

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 60787 Points
2 years ago
Answer: We know that basic and neutral solutions do not change the colour of blue litmus paper. Since blue litmus remains blue after dipping in the solution, the solution is either basic or neutral in nature. Put a drop of this solution on a red litmus paper. If it turns blue, then the above solution is basic in nature and if no colour change occurs, then it is neutral.

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