Advertisements
Advertisements
प्रश्न
Name two gases of air which dissolve in water by diffusion. What is the importance of this process in nature?
उत्तर
The gases which dissolve in water by diffusion are carbon dioxide and oxygen. Carbon dioxide dissolved in water bodies is essential for the survival of the aquatic plants as they use this carbon dioxide to make food by photosynthesis. Oxygen dissolved in water is used by aquatic animals for breathing.
APPEARS IN
संबंधित प्रश्न
Which of the two diffuses faster : a liquid or a gas?
Fill in the following blank with suitable words :
Solid, liquid and gas are the three ........................ of matter.
State two characteristic properties of a gas.
Why do gases have neither a fixed shape nor a fixed volume?
Give two reasons to justify that Water is a liquid at room temperature.
Explain why, diffusion occurs more quickly in a gas than in a liquid.
Why does a gas fill a vessel completely?
Comment upon the following:-
shape
Comment upon the following:-
kinetic energy
Two gases A and B having molecular weights 60 and 45 respectively are enclosed in a vessel. The wt. of A is 0.50 g and that of B is 0.2 g. The total pressure of the mixture is 750 mm. The partial pressure of the gases B is ______ mm Hg.
