Question

What is the chemical composition of water?

• A. 2 volumes of hydrogen and 2 volumes of oxygen.
• B. 2 volumes of hydrogen and 1 volume of oxygen.
• C. 1 volume of hydrogen and 2 volumes of oxygen.
• D. 1 volume of hydrogen and 1 volume of oxygen.

Answer 1

The correct option is B 2 volumes of hydrogen and 1 volume of oxygen.

The chemical formula of water is ${\text{H}}_2\text{O}$. It is made from the chemical combination of two volumes of hydrogen and one volume of oxygen.