Advertisements
Advertisements
प्रश्न
List uses of oxygen.
Advertisements
उत्तर
- All living things use oxygen for breathing.
- Oxygen is essential for burning.
- Oxygen cylinders are used in hospitals to enable patients to breathe when they cannot breathe normally.
- Oxygen is used in gas welding.
APPEARS IN
संबंधित प्रश्न
Answer the question put against the following constituents of air :
Carbon dioxide : “Although carbon dioxide plays no role in respiration, all life would come to an end if there is no carbon dioxide in air.” Support this statement with relevant facts.
State three uses of water vapour in the air.
Fill in the blank space by choosing the correct word from the given list.
List: sulphurous, nitric acid, red lead oxide paint, oxygen, phosphoric
Sulphur dioxide gas dissolves in water to form ___________ acid.
Fill in the blank
Green plants need ________________to prepare food.
Fill in the blanks
Oxygen is used in ___________the food to get _______.
Name the following:
The product of respiration released in exhaled air, other than carbon dioxide.
The constituent of air that supports combustion is _____.
Which gas in the atmosphere is essential for respiration?
Match the following
| 1. | Oxygen | a. | Carbon dioxide |
| 2. | Azote | b. | Nitrogen |
| 3. | Solvay process | c. | Vital life |
| 4. | Gun powder | d. | No life |
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.
