Advertisements
Advertisements
Question
Suggest five measures to prevent air pollution.
Advertisements
Solution
Five measures for the prevention of air pollution are:
- By using smokeless sources of energy, like solar energy and electrical energy, in place of conventional fossil fuels.
- By using filters for the. smoke coming out of the chimneys of factories and power plants.
- By using internal combustion engines in vehicles for complete and efficient burning of fuel.
- By locating industries away from residential areas.
- By growing more trees.
APPEARS IN
RELATED QUESTIONS
Fill in the blank space by choosing the correct word from the given list.
List: oxygen, carbonic, suIphurUioxide gas, precipitation, helium
Dust particles help in the ________ of water vapour in air.
Fill in the blank space by choosing the correct word from the given list.
List: sulphurous, nitric acid, red lead oxide paint, oxygen, phosphoric
Sulphur dioxide gas dissolves in water to form ___________ acid.
Complete the statement given below by filling in the blank with the correct word from the words given:
The component of air used in photosynthesis is ______ and the products of photosynthesis is oxygen.
What is the percentage of nitrogen in air?
Why is carbon-dioxide gas used to extinguish fire?
Air is a mixture of many _______.
_______ can be seen moving in a beam of sunlight in a dark room.
Boojho took an empty plastic bottle, turned it upside down and dipped its open mouth into a bucket filled with water. He then tilted the bottle slightly and made the following observations.
- Bubbles of air came out from the bottle.
- Some water entered the bottle.
- Nitrogen gas came out in the form of bubbles and oxygen got dissolved in water.
- No bubbles formed, only water entered the bottle.
Which observations is/are correct?
Explain the following observations very briefly
An empty glass in fact is not empty.
Write just a few sentences for an imaginary situation if any of the following gases disappear from the atmosphere.
Oxygen
