Which of the following statements is/are true for the given chemical reaction? ${\text{2H}}_{\text{2}}\text{(g})+{\text{O}}_{\text{2}}\text{(g)}\to {\text{2H}}_{\text{2}}\text{O(g)}$

For the above reaction

Hydrogen burns in oxygen to form water

Two elements combine to form a single compound

The formation of water from hydrogen and oxygen is a combination reaction . All the above statements are true.