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Air contains 20% by volume of oxygen. Th...

Air contains 20% by volume of oxygen. The volume of air required for the compoete combustion of 1L of methane under the same conditions is

A

2L

B

4L

C

10L

D

0.4L

Text Solution

Verified by Experts

The correct Answer is:
C
`CH_(4)+2O_(2)rarrCO_(2)+2H_(2)O`
1 lit `CH_(4)rarr` 2 lit. `O_(2)`
100 L air `rarr` 20 L `O_(2)`
`? rarr2LO_(2)=10L` air
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