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Question

Give one word for the following:

The gas which is present naturally and helps to kill harmful germs and bacteria is


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Solution

  • Water consists of harmful germs and bacteria which have to be killed so that the water becomes fit for human consumption. So, a naturally occurring gas called chlorine is added to the water.
  • Chlorine inactivates the microorganisms present in water by disrupting their cell membrane. After disrupting the cell membrane chlorine enters the cell and disrupts cellular respiration and DNA activity which are the two vital processes for cell survival, thus killing the micro organisms.

The gas which is present naturally and helps to kill harmful germs and bacteria is called chlorine.


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