Advertisements
Advertisements
प्रश्न
Suggest five measures to prevent air pollution.
Advertisements
उत्तर
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
संबंधित प्रश्न
What do you observe when Calcium is heated and then tested with moist blue and red litmus – paper?
Tick (√) the most appropriate answer.
A gas which dilutes the activity of oxygen in air is:
Tick (√) the most appropriate answer.
Which is not a polluting gas for the air?
Tick (√) the most appropriate answer.
The humans pollute the air by :
Write ‘True’ or ‘False’ in front of following statement.
Enamelling is the process of baking a mixture of silicates on the surface of aluminium at a high temperature.
Write fully balanced equation for the following :
CO2 + H2O →
Air is a mixture of many _______.
List out the uses of carbon dioxide.
Air also contains a small amount of carbon-di-oxide, water vapour, and some other gases like argon,
Tri oxygen molecule is known as ______.
