Question

TRUE OR FALSE
1. Sulfuric add is a primary air pollutant. (True/False)

2.CFC is a natural green house gas .(True/False)

3. Sound limit in industrial area is 65 dbA.(True/False)

4.World over, the amount of solar energy of a day is equal to that the world uses in 30 years. (True/False)
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Answer 1

Answer:   1.)  True . Sulfuric acid will exist as particles or droplets in the air if released to the atmosphere. It dissolves when mixed with water. It has moderate acute (short-term) toxicity on aquatic life. Sulfuric acid is very corrosive and would badly burn any plants, birds or land animals exposed to it.

                 2.)  True .

                 3.)  Can be true and false as well , The noise limit for an    industrial sector is 75 dBA at day time and 70 dBA at night. In commercial areas, it is 65 dB and 55 dB, while in residential areas it is 55 dB and 45 dB during the day and night respectively . depends on the part of the day .

                  4.)  False

Hope you got it !

Answer 2

Answer:-

1. true
2. false
3. false
4. true