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प्रश्न
Name the following.
Inert gases in the air
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उत्तर
Helium, Neon, Argon, Radon, Xenon, Krypton
संबंधित प्रश्न
How is air useful to windmills?
Name two air pollutants which cause acid rain.
Fill in the blank
Although we cannot see air, we can ___it.
Fill in the blank
Air is a ______ of gases
Fill in the blank
Polluted air is harmful to ____.
Air has variable composition and hence there is ______ oxygen at lower altitudes than at higher altitudes.
What is global warming?
______ is important for all living creatures.
Explain the following observations very briefly
The arrow of weather cock points towards a particular direction at a particular moment.
Paheli kept some water in a beaker for heating. She observed that tiny bubbles appeared before the water started to boil. She boiled the water for about 5 minutes and filled it in a bottle up to the brim and kept the bottle air tight till it cooled down to room temperature.
Do you think tiny bubbles will appear on heating the water taken out from the bottle? Justify your answer.
