Question 475 of 513

Which gas turns limewater milky?

  • SO₂
  • CO₂
  • H₂
  • NH₃

Correct Answer: B

Explanation
CO₂ reacts with Ca(OH)₂ (limewater) to form CaCO₃ (milky precipitate).
← Previous Next →
Jump to: 475 476 477 478 479 480 481 482 483 484