A drop of a liquid sample was put on the pH paper. It was observed that the colour of the pH paper turned blue. The liquid sample is [CCE 2014]
A. lemon juice
B. sodium bicarbonate solution
C. distilled water
D. hydrochloric acid
Answer:B
A drop of a liquid sample was put on the pH paper. It was observed that the colour of the pH paper turned blue. The liquid sample is [CCE 2014]
A. lemon juice B. sodium bicarbonate solution C. distilled water D. hydrochloric acid