When you add sodium hydrogen carbonate to acetic acid in a test tube

Acids, Bases and Salts (10)

When you add sodium hydrogen carbonate to acetic acid in a test tube, a gas liberates immediately with a brisk effervescence. Name this gas. Describe the method of testing this gas.

Answer

  • Carbon dioxide / CO2.
  • Lime Water turns milky when CO2 is passed through it. / CO2 extinguishes a burning splinter.
  • Exam Year: 2015