What is the decrease in volume of air when pyrogallol is shaken with 30.00cm3 of air ?
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Correct Answer: Option B
Explanation:
% volume of O2 in air = 21%
∴ (21/100) * 30 = 6.3
% volume of O2 in air = 21%
∴ (21/100) * 30 = 6.3