Consider the following statements regarding matter:
1. Elements cannot be broken down into simpler substances.
2. A compound has variable composition and can be broken down into elements.
3. The solution of sulphur in carbon disulphide is an example of a homogeneous mixture.
Which of the statements given above is/are not correct?
A.2 only✓ Correct
B.1 and 3
C.3 only
D.1 and 2
Explanation
Statement 1 is correct: elements are pure substances that cannot be broken into simpler substances by chemical means. Statement 2 is incorrect because compounds have a FIXED (definite) composition, not variable composition — variable composition is characteristic of mixtures. Statement 3 is correct: sulphur dissolves in carbon disulphide to form a true homogeneous solution. Therefore only statement 2 is not correct.
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