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प्रश्न
Tick (√) the correct alternative from the choice given for the following statement.
Fuels which do not leave any residue on burning are
पर्याय
coal and wood
coal and LPG
wood and CNG
LPG and CNG
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उत्तर
LPG and CNG
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संबंधित प्रश्न
Define the following:
Respiration
Fill in the blank
Polluted air is harmful to ____.
Tick (√) the correct alternative from the choice given for the following statement.
Air pollution is due to the
The capacity of air to hold moisture depends upon the ______ of the air.
Name the important scientists and their studies which led to the discovery of the components of air.
Fill in the blank:
Nitrogen of the air is utilized by plants for formation of _____.
Draw a neat labelled diagram for the following experiment.
To study the presence of carbon dioxide in air.
Take a squeezable bottle. Make a hole on the lid and close the bottle tightly. Bring the bottle near your face and press the bottle. What do you feel?
______ is important for all living creatures.
Which of the following statements is incorrect?
