Question

Answer of this question-What is the nature of a solution of washing soda?How will you confirm it? for class7 in science prachi book

Answer 1

nature of the solution of washing soda is basic.
its molecular formula is na2co3.
it can be confirmed by using red litmus paper,
it will turn red to blue.

I hope this will help you

Answer 2

Washing soda is basic in nature. It can be confirmed by:-

• Litmus test - dip dry litmus paper in AQUEOUS solution of basic soda. Blue litmus paper remains blue and red litmus paper turns blue.
• Phenolphthalein: Phenolphthalein solution turns pink in basic medium
• pH paper: pH paper shows a shade of dark blue when dipped in an aqueous solution of washing soda

Cheerios

Advait