Advertisements
Advertisements
प्रश्न
Name the processes which maintain the balance between oxygen and carbon dioxide in the air. How is it done?
उत्तर
Respiration and combustion are the processes which maintain the balance between oxygen and CO2 in the air.
- Respiration: Respiration is a chemical process that takes place in all living beings. In this process, oxygen present in the inhaled air reacts with the digested food material in the body. This results in the release of energy, carbon dioxide, and water.
- Combustion: Burning or combustion is a process in which a substance reacts chemically with oxygen and gets oxidised, with the release of energy in the form of heat and light. It is a fast process. During the process of burning, along with energy, carbon dioxide, and water vapour are also produced.
APPEARS IN
संबंधित प्रश्न
Mention the contribution of the following scientists :
- Antoine Lavoisier
- Robert Boyle
- Joseph Priestley
- Sir W. Ramsay
Fill in the blank:
_____________ discovered the oxygen gas.
What do you observe when a beam of light is allowed to enter in a closed dark room through a small hole.
Name two important processes supported by oxygen present in air.
How is air useful to water boats?
How is air useful to windmills?
Write ‘true’ or ‘false for the following;
Air is a compound.
How is light scattered by the air?
Draw a neat labelled diagram for the following experiment.
To prepare oxygen in the laboratory from hydrogen peroxide and a catalyst.
What should be done if the clothes of a person catch fire accidentally? Why?
