Question

If a solution changes the colour of litmus red to blue, what can you say about its pH?​

Answer 1

Answer:

Acids have pH lower than 7, bases have pH more than 7 and pH of neutral compounds is 7. Strong acids have a lower pH value whereas strong bases have higher pH value. Thus, the pH of a solution has to be 10 (i.e basic in nature) in order to change the colour of red litmus to blue.

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Answer 2

Answer:

it means the solution os basic/ alkaline in nature . its pH will be more than 7 jat 25degree celcius .

Explanation:

basic / alkaline