Advertisements
Advertisements
प्रश्न
How is air dissolved in water different from ordinary air?
Advertisements
उत्तर
Oxygen is more soluble in water than nitrogen. Air dissolved in water contains a higher percentage of oxygen (30-35%). Oxygen is only 21% in ordinary air. In this way, air dissolved in water is different from ordinary air.
APPEARS IN
संबंधित प्रश्न
Give two examples of Drying agent.
Give reason for Table salt becomes moist during rainy season.
Explain why boiled or distilled water tastes flat.
Explain the term:
Solute
Explain the terms:
Solvent
In which of the following substances will there be
No change in mass when they are exposed to air?
Sodium chloride
Iron
Conc. sulphuric acid
Table salt
Sodium carbonate crystals
State why ‘Water is considered a universal solvent’. Give the reason for the same.
What insoluble substance? Give examples.
Take two pots with similar plants. Water one of the plants with tap water and the other with seawater. Record your findings and note the difference observed.
Sheela, Saima and Ravi have to dissolve maximum amount of sugar in the same amount of milk so as to win in a game. Ravi took hot boiling milk while Saima took ice cold milk. Sheela managed to get milk at room temperature. Whom do you think would win the game and why?
