Red cabbage indicator turns _______ in basic solutions.
Blue
Pink
Green
Purple
Red cabbage turns green on adding to basic solutions.
Q58) Consider the following statements about acid-base indicators.
i) Phenolphthalein gives a pink colour if the solution is acidic.
ii) China rose indicator turns acidic solutions to dark pink.
iii) Blue litmus turns red for a basic solution.
Which of the above statements are true?
Himanshu has two substances A and B. The extract of red cabbage turns green when mixed with A and turns pink when mixed with B. When a solution of A and B is taken it turns red litmus to blue. Which of the following statement(s) is/are correct?
Question 4
Phenolphthalein is a synthetic indicator and its colours in acidic and basic solutions, respectively are (a) red and blue. (b) blue and red. (c) pink and colourless. (d) colourless and pink