MCQOPTIONS
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| 1. |
LPG contains___ |
| A. | Butane and Propane |
| B. | Butane and Isobutene |
| C. | Isobutene and Propane |
| D. | Butane, Isobutene and Propane |
| Answer» B. Butane and Isobutene | |