Q 1. A solution turns red litmus blue, its pH is likely to be
(a) 1 (b) 4 (c) 5 (d) 10
(d) As we have lean bases turn red litmus blue. Basic solution has a pH value of more than 7. Since the solution turns red litmus blue, therefore its pH is likely to be > 7 i.e. 10.
Q . Which will be the pH of solution which turn red litmus Blue ?
Answer : 10
10 is the right ans ku ki ye basic hai basic me hamesha hi litmus paper blue hi reheta hai or red litmus paper acidic me reheta hain hamesha