MCQOPTIONS
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| 1. |
If you pour a few drops of petrol on your palm, you will feel cool as it evaporates. What type of reaction is this? |
| A. | Endothermic reaction |
| B. | Exothermic reaction |
| C. | Chemical reaction |
| D. | Slow reaction |
| Answer» B. Exothermic reaction | |