Question

A compound is composed of two or more elements, chemically combined in a fixed proportion. Are
water and carbondioxide compounds?. Reason out.

Answer 1

Yes, water and carbon dioxide can combine in a fixed ratio. i.e. 2:1

Explanation:

• The chemical formula of water is H2O, if we look at the formula the ratio of elements is 2:1.
• As there are two atoms of hydrogen and one atom of oxygen.
• Similarly, the chemical formula for carbon dioxide is CO2.
• If we look at this the then the ratio between carbon and oxygen atoms is 2:1.
• There are two oxygen atoms and one atom of carbon.