Question

observe on adding (i) blue litmus solution to an aqueous solution of washing soda.(ii) red litmus solution to an aqueous solution of washing soda.

Answer 1

i)It remains the same

ii)it turns blue

*washing soda (Na2So4) is basic in nature*

Answer 2

Washing soda is a basic solution

1) blue litmus paper remains same

2) red litmus paper turn blue