When air is blown from mouth into a test tube containing lime water, the lime water turned milky. This shows that exhaled air consists of:
A) Oxygen
B) Nitrogen
C) Water vapour
D) Carbon dioxide
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When air is blown from mouth into a test tube containing lime water, the lime water turned milky. This shows that exhaled air consists of:
A) Oxygen
B) Nitrogen
C) Water vapour
D) Carbon dioxide
When air is blown from mouth into a test tube containing lime water, the lime water turned milky. This shows that exhaled air consists of:
A) Oxygen
B) Nitrogen
C) Water vapour
D) Carbon dioxide
(D) Carbon dioxide