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प्रश्न
Complete the statement given below by filling in the blank with the correct word from the words given:
The component of air which is variable in air above sea level and in air in general ______.
पर्याय
oxygen
nitrogen
water vapour
उत्तर
The component of air which is variable in air above sea level and in air in general water vapour.
संबंधित प्रश्न
Tick (√) the most appropriate answer.
A gas which dilutes the activity of oxygen in air is:
Name three noble gases present in the air. State their one industrial use
Give reason:
When water is heated, we see bubbles rising up.
Classify the following.
( Dog, Cat, coconut tree, monkey, brinjal plant, papaya plant)
| Things which give out oxygen | Things which give out carbon dioxide |
Nitrogen is used in the food packaging industry because it _____.
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.
Which of the following is true about oxygen?
Write about the reaction of nitrogen with non metals.
When air is moving with cool and soothing, it is called a cyclone.
Explain the following observations very briefly
An empty glass in fact is not empty.
