Advertisements
Advertisements
Question
What are the causes of air pollution?
Solution
- When fuels burn, they produce sulphur dioxide, sulphur trioxide, nitrogen dioxide, and hydrogen sulphide when these gases mix with rainwater.
- They produce sulphuric and nitric acid. These acids mix with rain water to form acid rain and also caused by the industries and automobiles.
APPEARS IN
RELATED QUESTIONS
What is air pollution ? What are the harmful effects of sulphur dioxide, nitrogen dioxide and hydrogen sulphide present in the air ?
State three uses of water vapour in the air.
Write ‘True’ or ‘False’ in front of following statement.
Water containing dissolved carbon dioxide can dissolve marble.
Briefly state the importance of Oxygen.
Give a reason why nitrogen is filled in food packets and not oxygen.
State whether the following statement is ‘true’ or ‘false’. If false write the correct statement.
The mesosphere in the atmosphere, contains most of the air, fit for respiration
Why do traffic assistants wear a mask on duty?
Which of the following is true about oxygen?
______ gas cylinders are used for breathing purpose for a diver going deep into the sea.
“Air is not an elementary substance, but a composition”. Why?
