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प्रश्न
Answer the question put against the following constituents of air :
Carbon dioxide : “Although carbon dioxide plays no role in respiration, all life would come to an end if there is no carbon dioxide in air.” Support this statement with relevant facts.
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उत्तर
Carbon dioxide is essential for photosynthesis by which green plants prepare their food. It minimises heat loss by radiation. Thus, it balances the temperature on earth.
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संबंधित प्रश्न
Classify Water. Also give a balanced equation to prepare it.
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List: sulphurous, nitric acid, red lead oxide paint, oxygen, phosphoric
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Analogy
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Which of the following is true about oxygen?
The Scottish chemist ______ discovered carbon dioxide is present in air.
What is the presence of harmful substance in the air called?
