A solution turns litmus paper to red, thymol blue to orange, and orange IV to red. Estimate the pH of the solution.
Here solution changes litmus to red and thymol blue to orange and the pH range for thymol blue is 1.2 to 1.8 for change to red to yellow and then orange to red and for this the pH range is 6.4 to 8
So, finally we can say the pH of solution = 1.2
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