Advertisements
Advertisements
Question
Match the following.
| Nitrogen | Respiration in living animals |
| Oxygen | Fertilizer |
| Carbon dioxide | Refrigerator |
| Dry ice | Fire extinguisher |
Advertisements
Solution
| Nitrogen | Fertilizer |
| Oxygen | Respiration in living animals |
| Carbon dioxide | Fire extinguisher |
| Dry ice | Refrigerator |
APPEARS IN
RELATED QUESTIONS
Describe a simple experiment to show that l/5th of air is oxygen.
Write ‘True’ or ‘False’ in front of following statement.
Enamelling is the process of baking a mixture of silicates on the surface of aluminium at a high temperature.
Define the following:
Combustion.
Write ‘true’ or ‘false for the following;
The major component of air is oxygen.
Name the following:
The component of air which is present more in industrial areas.
List out the uses of carbon dioxide.
Why do traffic assistants wear a mask on duty?
Which gas in the atmosphere is essential for respiration?
During respiration, carbon-di-oxide is exhaled out of the body through the ______.
Observe the picture given in Fig. carefully and answer the following questions.
Why is he putting a cover on his nose?
