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      Question

      Name the gas evolved when ethanoic acid is added to

      sodium carbonate?
      A Hydrogen Correct Answer Incorrect Answer
      B Carbon dioxide Correct Answer Incorrect Answer
      C Sulphur Correct Answer Incorrect Answer
      D Nitrogen Correct Answer Incorrect Answer

      Solution

      Carbon dioxide is evolved when ethanoic acid is added to sodium carbonate. The gas is invisible to the eye but can be detected by the pop sound made by the gas in a bubble solution. Hence, option B is correct.

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