Which statement correctly describes the classification of chemical reactions into different categories?
1. Not all reactions fit into a category, and a reaction can fit into only one category.
2. All reactions fit into a category, and some reactions can fit into more than one category.
3. All reactions fit into a category, and a reaction can fit into only one category.
4. Not all reactions fit into a category, and some reactions can fit into more than one category.
1 answer
4. Not all reactions fit into a category, and some reactions can fit into more than one category.