Question

answer plzzzzz of 4th one ​

Answer 1

Answer:

first dip the blue litmus paper in all the three solutions.

the solution that turns the paper into red is a basic solution.

use that red coloured litmus paper and dip it in the rest of the two solutions. the the solution that turns the red litmus into blue is acidic. the remaining solution is your distilled water

Answer 2

this is your answer

hope it helps