everyday science MCQ #4695

Sodium carbonate is commonly called:

everyday science MCQ #4695

  1. Question 1

    Q1. Sodium carbonate is commonly called:

    • A) Plaster of Paris
    • B) Common salt
    • C) Gypsum
    • D) Washing soda

    Answer: Washing soda

    Explanation: Sodium carbonate (Na₂CO₃) is commonly called washing soda because it has long been used as a water softener and cleaning agent in laundry.