Advertisements
Advertisements
प्रश्न
Which of the following components of air is present in the largest amount in the atmosphere?
विकल्प
Nitrogen
Oxygen
Water vapour
Carbon dioxide
Advertisements
उत्तर
Nitrogen
Explanation:
Atmospheric air contains all four mentioned components but the component with the largest amount present in the air is nitrogen, which constitutes 78% of the atmospheric air whereas oxygen constitutes 21% and the remaining 1% is formed by water vapour, carbon dioxide, few other gases and dust particles.
APPEARS IN
संबंधित प्रश्न
Statement given below is incorrect. Write the correct statement :
Helium gas at low pressure is used for filling electric bulbs.
Fill in the blank
The reddish-brown powder on the surface of iron nails exposed to air and moisture is called _____.
State whether the following statement is ‘true’ or ‘false’. If false write the correct statement.
The mesosphere in the atmosphere, contains most of the air, fit for respiration
Compare respiration and combustion-both involving oxygen of the air.
What is the composition of air?
Why does a lump of cotton wool shrink in water?
Air contains a small amount of CO2, Water vapour, and some other gases like ______, etc.
Match the following:
| 1. | More industrial cities | a. | dust particles |
| 2. | Coastal areas | b. | Humidity |
| 3. | Rainy season | c. | Carbon dioxide |
| 4. | Windy places | d. | water vapour |
Match the following
| 1. | Oxygen | a. | Carbon dioxide |
| 2. | Azote | b. | Nitrogen |
| 3. | Solvay process | c. | Vital life |
| 4. | Gun powder | d. | No life |
Usha took a lump of dry soil in a glass and added water to it till it was completely immersed. She observed bubbles coming out. The bubbles contain ______.
