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Everyday Science Easy FPSC PPSC NTS Uploaded: 22 Jun 2026

Which common household chemical reaction produces a foaming effect often used in classroom volcano experiments?

  • A Baking soda and vinegar reaction
  • B Salt dissolving in water
  • C Sugar caramelizing
  • D Ice melting
Correct Answer: Option A — Baking soda and vinegar reaction
Explanation:
The baking soda and vinegar reaction produces carbon dioxide gas creating a foaming eruption effect commonly used in classroom volcano demonstrations to illustrate acid base chemistry.
Submitted by: PaperMCQs
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