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Discuss two uses of each of the following gases:

  1. Nitrogen
  2. Oxygen
  3. Carbon dioxide
  4. Water vapour

Asked by Topperlearning User 23rd April 2015, 2:06 PM
Answered by Expert
  1. Nitrogen: It is essential for the survival of the plant. Since plants cannot directly take in nitrogen from the atmosphere, bacteria living in the soil and roots of plants convert it into a form which can be used by the plants.

It is generally used in all pharmacological drugs.

  1. Oxygen: It is a life giving gas as it is required by humans and animals for respiration.

It helps in combustion and is required in energy production in generators and ships.

  1. Carbon Dioxide: Plants prepare their food with the help of carbon dioxide.

It absorbs heat during the day and keeps the Earth warm during nights.

  1. Water Vapour: Water vapour absorbs the Sun’s heat and keeps the Earth warm during nights.

It results in the formation of the clouds which subsequently bring in rainfall.

Answered by Expert 23rd April 2015, 4:06 PM
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