 
			 
			MCQOPTIONS
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				| 1. | Liquified petroleum gas is mainly composed of _____________ | 
| A. | Methane and ethane | 
| B. | Ethane and propane | 
| C. | Propane and butane | 
| D. | Butane and hexane | 
| Answer» D. Butane and hexane | |