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प्रश्न
______ gas is given to the patients having breathing problems.
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उत्तर
Oxygen gas is given to the patients having breathing problems.
APPEARS IN
संबंधित प्रश्न
Statement given below is incorrect. Write the correct statement :
Potassium nitrate on strong heating decomposes into potassium nitrite and nitrogen gas.
Arrange the following statements in correct sequence
- Plants manufacture food by a process called photosynthesis.
- Plants require energy for their growth.
- Plants take in oxygen and release carbon dioxide just as animals.
- Plants take carbon dioxide from the atmosphere, use chlorophyll in the presence of sunlight and prepare food.
- Such oxygen is available to animals and human beings for breathing.
- During this process, oxygen is released by plants.
Analogy
Photosynthesis : _____ :: Respiration : Oxygen
What was the old name of nitrogen?
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 |
______ is responsible for making clouds.
The air in coastal areas have more oxygen.
Nitrogen is about two times more soluble in water than oxygen.
Observe the picture given in figure carefully and answer the following questions.
- What is covering the nose and mouth of the police man?
- Why is he putting a cover on his nose?
- Can you comment on air quality of the place shown in the figure?
Observe the picture given in Fig. carefully and answer the following questions.
Can you comment on the air quality of the place shown in Fig?
