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प्रश्न
State whether the following statement is ‘true’ or ‘false’. If false write the correct statement.
Carbon dioxide, water vapour and energy in the form of heat are evolved during respiration.
पर्याय
True
False
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उत्तर
True.
संबंधित प्रश्न
Write down the composition of three main gases present in air by volume.
Give reason:
Mountaineers and divers carry oxygen cylinders with them.
Give reason:
When water is heated, we see bubbles rising up.
Name the components of air with their approximate percentage by volume in air. Does the percentage by volume of each component remain the same, in the atmosphere of different parts of the world? Explain with reasons.
You are given a test tube with two outlets and a bottle of lime water. Using same, how would you demonstrate experimentally the presence of carbon dioxide in air.
Name the following:
The active component of air which supports combustion and is used up in burning
What is the presence of harmful substance in the air called?
The air in coastal areas have more oxygen.
Oxygen is used to oxidize ______.
Write the reaction of carbon dioxide with lime water.
