Question

Which of the following statements are correct about carbonic acid?
1) On adding turmeric solution, the colour of the resulting solution is deep red
2) On adding phenolphthalein, the colour of the resulting solution is pink
3) On adding methyl orange, the colour of the resulting solution is pink
4) On adding an aqueous solution of China rose, the colour of the solution is pink.​

Answer 1

Answer:

2)On adding phenolphthalein