Advertisements
Advertisements
Question
How will you show that air is dissolved in water?
Advertisements
Solution
To show that air is dissolved in the water we take water in a pan and heat it. Just before it boils, you will notice some bubbles at the inner surface of the pan. These bubbles are formed because of air dissolved in water.
RELATED QUESTIONS
Complete and balance the following chemical equation.
CaO + H2O → ____________
State three uses of water vapour in the air.
Briefly state the importance of Water vapour.
Write fully balanced equation for the following :
Ca(OH)2 + CO2 →
State a reason why there is a balance in the amount of carbon dioxide in the air, even though carbon dioxide is released into the atmopshere by various processes.
What happens if the percentage of oxygen in the air reaches to 70%?
What are the components of air?
Analogy
Photosynthesis : _____ :: Respiration : Oxygen
The Scottish chemist ______ discovered carbon dioxide is present in air.
______ exists in nature as silicates, carbonates, oxides, and water. It also exists in a free state as part of the air in the atmosphere.
