ChemistryChemical combinationJAMB
In 2H₂ + O₂ → 2H₂O, what volume of oxygen is needed to burn 40 cm³ of hydrogen at the same temperature and pressure?
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Answer: B. 20 cm³
Volumes react in the ratio 2 : 1.
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.