MCQOPTIONS
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| 1. |
Which one of the following is the correct order according to the increasing sequence of molecular weights of hydrocarbons? |
| A. | methane, ethane, propane and butane |
| B. | propane, butane, ethane and methane |
| C. | butane,ethane,propane and butane |
| D. | butane, propane, ethane and methane |
| Answer» B. propane, butane, ethane and methane | |