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प्रश्न
Answer the question put against the following constituents of air :
Water vapours : Explain their role in modifying the earth’s climate.
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उत्तर
Water vapour determine the earth’s climate conditions. It causes rain. It controls the rate of evaporation from the bodies of plants and animals.
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संबंधित प्रश्न
Write fully balanced equation for the following :
Ca(OH)2 + CO2 →
Explain the importance of nitrogen of the air for plant growth.
The diagrams below represents an experiment to show the presence of a component of air.
- State why air is sucked from – outlet ‘B’ and not from outlet “A”
- State why the air is sucked ‘slowly’ from the outlet “B”
- State the observation seen after completion of the experiment.
- State the reason for the above observation seen.
- Name another component which if present in air as a pollutant would have given a similar observation
Complete the statement given below by filling in the blank with the correct word from the words given:
The product formed which is common to both combustion and respiration is ______.
Of the total volume of air – 4/5th is nitrogen. State the utility or consequence of this ratio.
Classify the following.
( Dog, Cat, coconut tree, monkey, brinjal plant, papaya plant)
| Things which give out oxygen | Things which give out carbon dioxide |
What is the composition of air?
What is the presence of harmful substance in the air called?
______ gas cylinders are used for breathing purpose for a diver going deep into the sea.
A gas that neither burns nor supports burning is ______.
