Question

A solution turn red litmus blue,its pH is likely to be
a) 1
b) 4
c) 5
d) 10​

Answer 1

Answer:

Basic solution has a pH value more than 7. Since the solution turns red litmus blue, its pH is likely to be 10.

Answer 2

Answer:

Answer is 10 because litmus paper turns blue when reacts with basic solution (PH more than 7). Hence 10 is the answer.