Advertisements
Advertisements
प्रश्न
A list of words is given in a box. Use appropriate words to fill up the blank in the following statement
A weather cock shows the ______ in which the air is moving at that place.
उत्तर
A weather cock shows the direction in which the air is moving at that place.
APPEARS IN
संबंधित प्रश्न
Define the term Global warming.
Write ‘True’ or ‘False’ in front of following statement.
The area where a lot of fuel burns has more percentage of carbon dioxide.
Briefly state the importance of Oxygen.
Write ‘true’ or ‘false for the following;
Carbon dioxide is given out during photosynthesis
Compare respiration and combustion-both involving oxygen of the air.
What happens if the percentage of oxygen in the air reaches to 70%?
Why does a lump of cotton wool shrink in water?
What was the old name of nitrogen?
Match the following
| 1. | Oxygen | a. | Carbon dioxide |
| 2. | Azote | b. | Nitrogen |
| 3. | Solvay process | c. | Vital life |
| 4. | Gun powder | d. | No life |
Mountaineers carry oxygen cylinders with them because
