NCERT Solutions for Class 6 Science Chapter 15
Important NCERT Questions
Class 6th Chapter 15 Air Around Us
NCERT Books for Session 2022-2023
CBSE Board and State Board
Questions No: 4
How will you show that air is dissolved in water?
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1. Container with Water: Fill a clear container with water.
2. Observation: After some time, bubbles form on the container’s inner surface and rise in the water.
3. Released Bubbles: Show dissolved air; bubbles indicate air, mainly oxygen, dissolved in water.
Take some water in a glass vessel or beaker. Heat it slowly on a tripod stand. Look carefully at the inner surface of the vessel, before reaching to its boiling point, the bubble of air start rising from bottom to surface. These bubbles come from the air dissolved in water.
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