When air is passed through alkaline pyrogallol and then lime water, the gases left are
a
nitrogen and carbon (IV) oxide
b
nitrogen and noble gases
c
nitrogen and oxygen
d
nitrogen, carbon (VI) oxide and noble gases
e
the noble gases
Explanation
Correct Option
bNo explanation available
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mhiz bhenie
9 years ago
Here is an explanation:
Air contains nitrogen, oxygen, rare gases, water vapor,carbon iv oxide etc alkaline pyrogallol absorbs oxygen while lime water absorbs carbon (iv) oxide.
