# A sample of natural gas containing 80% methane (CH4) and rest nitrogen (N2) is burnt with 20% excess air. With 80% of the combustibles producing CO2 and the remainder going to CO, the Orsat analysis in volume percent is _____ ? with Answer - Chemical Engineering Mcqs | TestPrep

> Solved MCQ: A sample of natural gas containing 80% methane (CH4) and rest nitrogen (N2) is burnt with 20% excess air. With 80% of the combustibles producing CO2 and the remainder going to CO, the Orsat analysis in volume percent is _____ ? Correct Answer: B. CO2 : 7.42, CO : 1.86, O2 : 4.64, N2:86.02. Verified answer explanation for FPSC, PPSC, MDCAT, NTS, and CSS competitive exam preparation.

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# A sample of natural gas containing 80% methane (CH4) and rest nitrogen (N2) is burnt with 20% excess air. With 80% of the combustibles producing CO2 and the remainder going to CO, the Orsat analysis in volume percent is _____ ?

Direct Answer & Quick Reference

The correct option is **B. CO2 : 7.42, CO : 1.86, O2 : 4.64, N2:86.02**.

A. CO2 : 6.26, CO : 1.56, O2 : 3.91, H2O :15.66, N2 : 72.60

B. CO2 : 7.42, CO : 1.86, O2 : 4.64, N2:86.02 **(Correct Answer)**

C. CO2 : 6.39, CO : 1.60, O2 : 3.99, H2O:25.96, N2:72.06

D. CO2 : 7.60, CO : 1.90, O2 : 4.75, N2 : 85.74

✨ Explain with AI

Verified Key: B. CO2 : 7.42, CO : 1.86, O2 : 4.64, N2:86.02
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