Environmental Chemistry - Online Test
Q1. Which of these reactions in the atmosphere leads to acid rain ?
Answer : Option B
Explaination / Solution:
2SO2 + O2 + 2H2O ------> 2H2SO4 is the major reaction of acid rain. SO2 emitted from burning of fossil fuels containing S react with O2 and H2O to form the acid leading to acid rain.
Q2. The death of Scandinavian forests was blamed on:
Answer : Option C
Explaination / Solution:
The death of Scandinavian forests was blamed on Pollution from UK power stations
Q3. Acid rain does not cause :
Answer : Option D
Explaination / Solution:
Acid rain does not cause Global warming as it does not release any greenhouse gas in the atmosphere.
Q4. Sulphur dioxide levels can be reduced by using :
Answer : Option C
Explaination / Solution:
Sulphur dioxide levels can be reduced by using Low sulphur fuels so that less amount of SO2 is produced from them
Q5. Which of these atmospheric pollutants is not released by car exhausts ?
Answer : Option D
Explaination / Solution:
Magnesium oxide is not released by car exhaust because Mg is not present in the fuels.
Q6. Unleaded paint and petrol were introduced because:
Answer : Option B
Explaination / Solution:
Unleaded paint and petrol were introduced because lead affect the brain and cause mental impairment
Q7. Chemical species present in the environment are either naturally occurring or generated by human activities. Their interrelation with the surroundings is called :
Answer : Option A
Explaination / Solution:
environmental chemistry basically deals with the interrelationship between chemical species generated by human activities or naturally.
Q8. The greenhouse effect is where:
Answer : Option D
Explaination / Solution:
The greenhouse effect is where heat energy is trapped by the atmosphere
Q9. The greenhouse effect is thought to be the cause of:
Answer : Option B
Explaination / Solution:
The greenhouse effect increases the global temperature
Q10. Global warming will not result in:
Answer : Option C
Explaination / Solution:
Global warming will not increase the size of the hole in the ozone layer as temperature does not affect the depletion.
