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प्रश्न
Aerated water contains
पर्याय
air
oxygen
carbon dioxide
nitrogen
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उत्तर
Carbon dioxide
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संबंधित प्रश्न
Write ‘True’ or ‘False’ in front of following statement.
Water containing dissolved carbon dioxide can dissolve marble.
State whether the following statement is ‘true’ or ‘false’. If false write the correct statement.
The percentage of carbon dioxide in the air is between 0.2 to 0.4%.
Match the following
| 1. | Moving Air | Photosynthesis |
| 2. | Layer in which we live | Troposphere |
| 3. | Stratosphere | Wind |
| 4. | Oxygen | Ozone layer |
| 5. | carbon-di-oxide | Combustion |
Which of the following is true about oxygen?
What is the composition of air?
All living things use oxygen for breathing.
Oxygen is used to oxidize ______.
Nitrogen is an essential element present in proteins and nucleic acids which are the building blocks of living things.
What is not true about air?
Usha took a lump of dry soil in a glass and added water to it till it was completely immersed. She observed bubbles coming out. The bubbles contain ______.
