Advertisements
Advertisements
प्रश्न
What are the main components of air?
उत्तर
Main components of air are:
- Nitrogen
- Oxygen
APPEARS IN
संबंधित प्रश्न
Name and briefly explain four ways by which pollution of air caused by humans is minimised.
Fill in the blank
Green plants need ________________to prepare food.
Fill in the blank
The reddish-brown powder on the surface of iron nails exposed to air and moisture is called _____.
Complete the statement given below by filling in the blank with the correct word from the words given:
The product formed which is common to both combustion and respiration is ______.
Name the following:
The product formed when phosphorus burns in oxygen.
_____ gas turns lime water milky.
Inhaled air contains a large amount of carbon-di-oxide.
Analogy
Photosynthesis : _____ :: Respiration : Oxygen
Which gas in the atmosphere is essential for respiration?
The amount of water vapour in the air is more in windy places than in other areas.