How will you find pH of lemon juice ?

Explanation

(a) Take abour 5mL of the give sample of lemon juice in a test tube.
(b) Dip a strip of the universal pH paper in the tube.
(c ) Take out the strip and note its colour. It will acquire a orange red colour.
(d) On comparision with pH paper chart, the pH of the solution falls in the range between 2 and 3.