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प्रश्न
Why does rainwater have pH of less than 7?
उत्तर
Carbon dioxide reacts with water to form weak carbonic acid which is slightly acidic having a pH of about 5.6.
Hence, the pH of rainwater usually ranges between 5.6 and 3.5; at times, it can be as low as 2.
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संबंधित प्रश्न
Rewrite the correct form of the statement: CNG is mainly responsible for the formation of acid rain.
Give suitable biological reasons for the following statement :
Acid rain is harmful to the environment.
Give the impact of acid rain: On plants
What is the cause of acid rain? Give any two impacts of acid rain.
Give Technical Terms:
The gas which mainly contributes to causing acid rains.
True or False:
Acid precipitation is created by reactions in the atmosphere, and can fall many miles from where pollution originated.
State the two forms of deposition of acid rain with suitable examples of each form of deposition.
State the natural and man-made sources of the two pollutants responsible for acid rain.
Explain the basic function of a catalytic converter in an internal combustion engine.
State the impact of acid rain on the environment, other than soil chemistry and water bodies.
