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| Q. |
How much percentile of propane is present in natural gas? |
| A. | 5.5 % |
| B. | 3.7 % |
| C. | 1.8 % |
| D. | 0.5 % |
| Answer» B. 3.7 % | |
| Explanation: at an average 88.5 % of methane is present in natural gas. 5.5 % of ethane, 3.7 % of propane and 1.8 % of butane are present in natural gas. the higher hydrocarbons are present at about 0.5 %. | |
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