Question

6. Which of the following is correct. [ ]
1. acid Turns blue Litmus to Red and base turns red litmus to blue.
2. Methyl orange indicator gives red colour in acid and yellow colour in basic solution
3. phenolphthalein indicatoris colourless in acid and pink colour in basic solution
4.Litmus is a natural indicator which is extracted from lichen plant
A. all are correct
B. 1 and 2 are correct
C. 3 and 4 are correct
D. 1 and 4 correct

please say right option​

Answer 1

Answer:

A. all are correct......

Answer 2

Answer:

all are correct

plz mark my ans as brainliest