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प्रश्न
Make sentences using the given set of words.
99%, oxygen, nitrogen, air, together
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उत्तर
Nitrogen and oxygen together make up 99% of the air.
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संबंधित प्रश्न
Statement given below is incorrect. Write the correct statement :
During thunder and lightning, nitrogen and oxygen combine to form nitrogen dioxide gas.
Write ‘True’ or ‘False’ in front of following statement.
Water containing dissolved carbon dioxide can dissolve marble.
Classify Carbon monoxide. Also give a balanced equation to prepare it.
Fill in the blank
Aquatic plants and animals use _________ in water.
Name the following:
The product of respiration released in exhaled air, other than carbon dioxide.
State whether the following statement is ‘true’ or ‘false’. If false write the correct statement.
Photosynthesis is a process by which green plants prepare their own food in the presence of sunlight and chlorophyll.
Why do we see the sky and air clear and clean after rainfall?
The solid form of CO2 is called dry ice which undergoes condensation.
Usha took a lump of dry soil in a glass and added water to it till it was completely immersed. She observed bubbles coming out. The bubbles contain ______.
State whether the following statement is true or false. If false, correct them.
Plants produce oxygen during the process of making their own food.
