MCQOPTIONS
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| 1. |
Original substances participating in a chemical reaction are __ and the new substances formed are known as the ____. |
| A. | Products, reactants |
| B. | Catalysts, Reactants |
| C. | Reactants, products |
| D. | Products, Catalysts |
| E. | None of these |
| Answer» D. Products, Catalysts | |