1. A compound is formed only when the constituent elements combine in a fixed proportion. [1 Mark]
2. The properties of a compound are different from those of its constituent elements. [1 Mark]
3. A compound cannot be broken down by physical methods. [1 Mark]
4. Compound is made up of different elements that are chemically combined. [1 Mark]
5. A compound can be separated into its constituent elements by chemical methods only. [1 Mark]