Science

Pollution of Air and Water

Question:

Explain circumstances leading to acid rain. How does acid rain affect us?

Answer:

Burning of fossil fuels such as coal and diesel releases a variety of pollutants such as sulphur dioxide and nitrogen dioxide into the atmosphere. These pollutants react with water vapours present in the atmosphere to form sulphuric acid and nitric acid respectively. These acids come down with the rain, thereby resulting in acid rain.Effects of acid rain:
(i)Acid rains damage crops.
(ii)Acid rains corrode buildings and structures especially those made of marble such as Taj Mahal.
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Questions and Answers

Pollution of Air and Water

Q 1.

You are a member of the municipal body of your town. Make a list of measures that would help your town to ensure the supply of clean water to all its residents.
Answer

Q 2.

At an individual level, how can you help reduce air pollution?
Answer

Q 3.

What are the different ways in which water gets contaminated?
Answer

Q 4.

Explain the differences between pure air and polluted air.
Answer

Q 5.

Describe the 'Greenhouse Effect in your own words.
Answer

Q 6.

Explain circumstances leading to acid rain. How does acid rain affect us?
Answer

Q 7.

Why does the increased level of nutrients in the water affect the survival of aquatic organisms?
Answer

Q 8.

Prepare a brief speech on global warming. You have to deliver the speech in your class.
Answer

Q 9.

Clear, transparent water is always fit for drinking. Comment.
Answer

Q 10.

Describe the threat to the beauty of the Taj Mahal.

Answer