Question

Which of the following statements about a compound is incorrect?
(i) A molecule of a compound has atoms of different elements.
(ii) A compound cannot be separated into its constituent elements by physical methods of separation.
(iii) A compound retains the physical properties of its constituent elements.
(iv) The ratio of atoms of different elements in a compound is fixed.

Answer 1

iii- A compound retains the physical properties of its constituent elements

Answer 2

(iii) A compound retains the physical properties of its constituent elements.