Question

Mention two features by which people can identify that the fresh water
available to them might not be safe to drink.

Answer 1

Answer:

They are

1We can check by checking it's boiling point .It must be 100 degree Celsius

2It should be colourless

3By checking it's company

Hope it may help

3rd point can be wrong

Answer 2

the two features that people may identify while drinking water is that colour odour  should not be there in drinking water. In addition to this it should also have a boiling point of hundred degree Celsius.

Explanation:

• Drinking water contains dissolved minerals. As a result of this the the boiling point of water change. Pure water is colourless odourless and tasteless. however with increase in the bacterial count the order and the colour of the water changes.

• As a result of this we should add some chlorine in water so that there is killing of the microorganisms which is present in water. In addition to this there should also be purification of water by using ultraviolet rays in water filter to prevent water borne diseases.

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