Question

Name the elements which form water. How will you justify that water is a compound?

Answer 1

Water is made up of 2 elements namely oxygen and hydrogen. Two hydrogen atoms and one oxygen atom combine to give one molecule of water.

Water is a compound because compounds are made up of different elements in fixed proportion by mass likecouse, in water molecule, hydrogen and oxygen form compound $H_{2}O$ in the ratio of $1.8$ by mass.