Advertisements
Advertisements
Question
State what would happen, if the air above the earth contained mainly oxygen and no nitrogen
Advertisements
Solution
Nitrogen is utilised by plants for their growth and development. Free nitrogen of the air is converted to nitrogen compounds which are absorbed by the plants and converted to plant proteins. In the absence of nitrogen no plants will be survived on the earth.
RELATED QUESTIONS
State three uses of water vapour in the air.
Write ‘True’ or ‘False’ in front of following statement.
The catalyst used in laboratory preparation of oxygen gas from hydrogen peroxide gas is magnesium oxide
Write ‘true’ or ‘false for the following;
The major component of air is oxygen.
Name the following:
The product formed when phosphorus burns in oxygen.
All living things use oxygen for breathing.
The second major component of air is oxygen.
Metals like magnesium, iron, and sodium burn in oxygen and give basic ______.
Nitrogen is about two times more soluble in water than oxygen.
State whether the following statement is true or false. If false, correct them.
Plants consume oxygen for respiration.
Observe the picture given in Fig. carefully and answer the following questions.
Why is he putting a cover on his nose?
