MCQ
Assertion : All the radioactive elements are ultimately converted in lead.
Reason : All the elements above lead are unstable.
Reason : All the elements above lead are unstable.
- AIf both assertion and reason are true and the reason is the correct explanation of the assertion.
- BIf both assertion and reason are true but reason is not the correct explanation of the assertion.
- ✓If assertion is true but reason is false.
- DIf the assertion and reason both are false.

