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In which combined form is oxygen found in the air besides free O 2 ?
Carbon dioxide
Nitrogen gas
Argon
Methane
Carbon dioxide
Practice and solve "In which combined form is oxygen found in the air besides free O 2 ?..." for General Science - Previous Year Paper 2026. The correct answer is Option A: Carbon dioxide. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "In which combined form is oxygen found in the air besides free O 2 ?..." for General Science - Previous Year Paper 2026. The correct answer is Option A: Carbon dioxide. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.