Question

A solution has turned the colour of red litmus paper to blue. The pH of the solution isapproximately: *

2

5

7

10

​

Answer 1

Answer:

(5)

Changing the colour of red litmus paper to blue is a general property of the alkaline solution. pH scale gives information about the acidic basic and neutral solution. Solutions having a value of pH ranging 0 to 7 on pH scale are termed as an acidic solution.

Explanation:

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Answer 2

● A solution has turned the colour of red litmus paper to blue. The pH of the solution isapproximately 10.