Chemical formula of washing soda is
A. Na2C03 . 7H2O
B. Na2C03 . 5H2O
C. Na2C03 . 2H2O
D. Na2C03 . 10H2O
Answer:D
Chemical formula of washing soda is
A. Na2C03 . 7H2O B. Na2C03 . 5H2O C. Na2C03 . 2H2O D. Na2C03 . 10H2O