When a sample of air is passed through alkaline pyrogalol, potash and finally through U-tube containing fused calcium chloride, the components of air left unabsorbed are 

a

nitrogen and carbon(IV)oxide

b

noble gases and carbon(IV)oxide

c

noble gases and nitrogen

d

noble gases, nitrogen and carbon(IV) oxide

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Explanation

Correct Option
c

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sammyalli00007
2 months ago

c

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20th June, 2026

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21st May, 2026

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