If you see a reaction in any test tube, bring a burning matchstick near the mouth of the test tube and see if you hear a pop sound.

Which of the following can be concluded based on this experiment?

  1. A
    Some non-metals react with HCl releasing chlorine gas
  2. B
    Some metals react with HCl releasing hydrogen gas
  3. C
    Some non-metals react with HCl releasing hydrogen gas.
  4. D
    Some metals and non-metals undergo rusting on reacting with HCl

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    Solution:

    Some metals react with HCl releasing hydrogen gas

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