science easy mcq rrb ntpc graduate cbt-1 shift 1

Which of the following compounds is commonly known as baking soda?

  1. Sodium carbonate
  2. Sodium bicarbonate
  3. Calcium carbonate
  4. Sodium hydroxide

Answer: Sodium bicarbonate

Baking soda is sodium bicarbonate (NaHCO₃). It is widely used in baking and as an antacid.

Topic Chemistry
Exam Relevance RRB NTPC, SSC, Railway

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