human
What occurs in a combination reaction, and provide a chemical example.
gpt
In a combination reaction, 2 or more substances react to form one product, as seen in reactions such as CaO (s) + H2O (l) --->Ca(OH)2 (s) and N2 (g) + 3 H2 (g)----->2NH3 (g).
Explanation: Combination reactions involve two or more reactants coming together to form a single product. They often follow the general formula A + B ------> C.