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प्रश्न
Tick (√) the correct alternative from the choice given for the following statement.
Air pollution is due to the
विकल्प
cutting of green plants
gases like carbon monoxide, sulphur dioxide, etc.
smoke given out by factories
all of the above
उत्तर
all of the above
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संबंधित प्रश्न
What do you observe when a burning candle is covered with an inverted jar.
Fill in the blank
Although we cannot see air, we can ___it.
Tick (√) the correct alternative from the choice given for the following statement.
The gases which cause acid rain are
Tick (√) the correct alternative from the choice given for the following statement.
Which of the following is not a greenhouse gas?
Tick (√) the correct alternative from the choice given for the following statement.
The substance which accelerates the speed of a reaction without itself undergoing any change is called
Name the following.
Inert gases in the air
State the meaning of the term Atmosphere.
Draw a neat labelled diagram for the following experiment.
To determine the component of air used up in burning, by using phosphorus and a bell jar.
Draw a neat labelled diagram for the following experiment.
To study the presence of carbon dioxide in air.
A list of words is given in a box. Use appropriate words to fill up the blank in the following statement
Air is a ______ of some gases.
