Question

(A) write the chemical formula of washing soda(B) what happen when the Crystal of washing soda are left exposed to air(c) what colour change would you observe on adding?(1) blue Litmus solution to an aqua solution of washing soda?(2) red litmus solution to an aqua solution of washing soda?

Answer 1

Answer:

(A) $Na_{2}CO_{3} . 10H_{2}O$

(B) The crystal lose their water of crystallization and thus become anhydrous sodium carbonate.

(C) 1) No colour change will occur because washing soda is a base.

    2) The colour will change from red to blue as a base (here, washing soda) turns red litmus paper blue.

I HOPE YOU GOT YOUR ANSWER.

IF THIS ANSWER HELPED YOU, PLEASE MARK THIS AS THE BRAINLIEST ONE.