Q. Consider the following statements:
1.Radiometric dating is a technique which is used to date materials such as rocks or carbon, in which trace radioactive impurities were selectively incorporated when they were formed.
2.Carbon-14 is an isotope of the element carbon that is stable and highly radioactive.
Select the correct statements using the codes given below:

[A] 1 only

[B] 2 only

[C] Both 1 and 2

[D] Neither 1 nor 2

Answer: A
Notes:

Explanation –

Statement 1 is correct. Radiometric dating is a technique which is used to date materials such as rocks or carbon, in which trace radioactive impurities were selectively incorporated when they were formed.

Statement 2 is incorrect. Carbon-14 – Radiocarbon (Carbon 14) is an isotope of the element carbon that is unstable and weakly radioactive.

Source: ForumIAS