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प्रश्न
Write ‘true’ or ‘false for the following;
The composition of air was discovered by Lavoisier.
विकल्प
True
False
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उत्तर
True
APPEARS IN
संबंधित प्रश्न
“Air is a mixture”. Support this statement citing at least three evidences.
Briefly state the importance of Carbon dioxide.
Name the following:
The main, rare (inert) gas present in air.
Name the following:
An inert gas which has a low boiling point and is used for producing very low temperatures
State whether the following statement is ‘true’ or ‘false’. If false write the correct statement.
The percentage of carbon dioxide in the air is between 0.2 to 0.4%.
What happens if the percentage of carbon-dioxide increases in the air?
______ is the main component of air.
What was the old name of nitrogen?
A gas that neither burns nor supports burning is ______.
What is not true about air?
