Answer the following questions:
Aarthi records the following observations during different reactions:
| Reaction | Number of reactants | Number of products |
| A | 3 | 1 |
| B | 1 | 3 |
| C | 2 | 2 |
1. Aarthi wants to identify the reaction that most likely represents synthesis of a compound from simpler substances. Which reaction should the student select?
2. Using the same table above, which conclusion cannot be made with certainty?