Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Science Chemistry Basic Concepts of Chemistry
Which of the following statements about a compound is incorrect?
1
A molecule of a compound has atoms of different elements.
2
A compound cannot be separated into its constituent elements by physical methods of separation.
3
A compound retains the physical properties of its constituent elements.
4
More than one of the above.
5
None of the above