Usha took a lump of dry soil in a glass and added water to it till it was completely immersed. She observed bubbles coming out. The bubbles contain
  1. water vapour
  2. only oxygen gas
  3. air
  4. none of these

AcademicChemistryNCERTClass 6

Correct Answer: (c) air

Explanation: When the water is poured on the lump of soil, it displaces the air trapped in it which is seen in the form of bubbles.

Updated on 10-Oct-2022 13:20:15