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Water Safety
Question
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People of Basra village use alum to make their water potable. Convince them to use chlorine tablets instead. Tell them about the procedure to use these tablets, two advantages of using the tablets and two precautions while using them.

Answer

Method:

  1. One tablet (4mg) is dissolved in 1 litre of water.
  2. Leave for 10 minutes before consuming.

Advantages of using chlorine:

  1. Chlorine Kills coliform
  2. Easy to use
  3. Quick

Precautions:

  1. Keep in dry place
  2. Should not be expired
  3. If water is more dirty, use 2 tablets and wait for 20 minutes before using

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