MCQOPTIONS
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| 1. |
Are these statements about the natural refrigerants true?Statement 1: Propane and isobutene are natural refrigerants.Statement 2: These are produced from nature’s bio-chemical processes. |
| A. | True, False |
| B. | True, True |
| C. | False, True |
| D. | False, False |
| Answer» C. False, True | |