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प्रश्न
Name the following:
The main, rare (inert) gas present in air.
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उत्तर
Argon
संबंधित प्रश्न
Tick (√) the most appropriate answer.
A gas which dilutes the activity of oxygen in air is:
Give reason:
When water is heated, we see bubbles rising up.
State the full form of LPG and CNG? How are the two different in their composition?
Complete the statement given below by filling in the blank with the correct word from the words given:
The component of air which is variable in air above sea level and in air in general ______.
______ present in the air is needed for respiration.
______ is the main component of air.
Write a note on nitrogen.
Metals like magnesium, iron, and sodium burn in oxygen and give basic ______.
Observe the picture given in figure carefully and answer the following questions.

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- Why is he putting a cover on his nose?
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