Question

Four solutions A, B, C and D when tested with universal indicator showed pH as $4,11,7$ and $9$ respectively. Which one of the four solutions is neutral?

• A. A
• B. B
• C. C
• D. D

Answer 1

The correct option is C C

Solution in test tube A,B are acidic in nature as they have pH less than $7$ while solutions in tubes C are basic in nature as they have pH more than $7$. Solution in test tube D is neutral as pH of this solution is$7$. This is given by the pH scale or pH meter.