Which of the following statement about a compound is incorrect? (I) A molecule of a compound has atom of different elements.
Which of the following statement about a compound is incorrect?
(I) A molecule of a compound has atom of different elements.
(II) A compound cannot be separated into its constituent elements by physical method of separation.
(III) A compound retained the physical properties of its constituent
(IV) The ratio of atoms of different element in a compound is fixed
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(III) because a compound doesn’t retain the physical properties of its constituents.
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