Water is made up of hydrogen and oxygen.
Compound: A compound is a substance made up of two or more elements combined in a fixed ratio.
The compound does not contain the properties of its components. So, The properties of a compound are different from those of its constituent elements.
Water: Water is a compound made with two different elements called Hydrogen and Oxygen. But the properties of a compound are different from those of its constituent elements.
Thus, the given statement is True. i.e., Water is made up of hydrogen and oxygen.