plz answer it along with detailed reason

Dear student,

Washing soda is a  common name for Sodium Carbonate (Na₂CO₃). Washing soda is a caustic base. It is a sodium salt and is used as a homemade laundry detergent to clean especially in hard water. It has been used for centuries for cleaning purposes. In laboratories, it is used to clean gloves.

Hence, the correct option is (B).

Regards