Question

Which of the following statement(s) is/are false?
1. A pure substance is heterogeneous in nature.
2. The composition of a pure substance can be altered by any physical means.
3. A pure substance contains a fixed number of particles.

• A. 1 and 2
• B. 1 and 3
• C. 2 and 3
• D. All are correct

Answer 1

The correct option is A 1 and 2

Pure substances are homogeneous in nature and the composition of a pure substance can be altered by only chemical methods.