The pH of lemon juice is:
Lemons are extremely acidic. Any chemical with a pH less than 7 is considered acidic. Lemon juice has a pH around 2.0, ranging between 2 to 3.
Hence, option D is correct.
Four student (a), (b), (c) and (d) measured the pH values of water, lemon juice and sodium bicarbonate solution. What is the correct decreasing order of pH values?
5 litres of water was mixed with 2 litres of lemon juice to make lemonade for a gathering. To make it tastier, if the quantity of lemon juice is tripled and that of water is doubled, find the new ratio between water and lemon juice.