A. Na₂CO₃
B. NaHCO₃
C. Na₂SO₄·10H₂O
D. None of these
🧠 Explanation:
The chemical formula of washing soda is Na₂CO₃, used in cleaning. For chemistry students, this highlights chemical compounds, making it a key topic for studying chemistry, material science, and household applications. Na₂CO₃ cleans effectively. Understanding this ensures knowledge of chemical uses. It’s essential for analyzing chemistry, material science, and engineering. Studying washing soda offers insights into how compounds aid cleaning, crucial for chemistry, engineering, and science.
