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प्रश्न
Aerated water contains
विकल्प
air
oxygen
carbon dioxide
nitrogen
MCQ
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उत्तर
Carbon dioxide
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संबंधित प्रश्न
What are the two ways in which nitrogen fixation occurs?
What is the significance of water vapour in air?
Write fully balanced equation for the following :
CO2 + H2O →
Write ‘true’ or ‘false for the following;
The major component of air is oxygen.
The diagrams below represents an experiment to show the presence of a component of air.
- State why air is sucked from – outlet ‘B’ and not from outlet “A”
- State why the air is sucked ‘slowly’ from the outlet “B”
- State the observation seen after completion of the experiment.
- State the reason for the above observation seen.
- Name another component which if present in air as a pollutant would have given a similar observation
What is the percentage of nitrogen in air?
How do plants and animals maintain the balance of oxygen and carbon dioxide in the air?
Carbon dioxide with water changes
Which of the following components of air is present in the largest amount in the atmosphere?
Explain the following observations very briefly
Breathing through mouth may harm you.
