Q. Consider the following statements with reference to Rare Earth Elements (REE)::
1.They are a set of 17 chemical elements in the periodic table which tend to occur in the same ore deposits as the lanthanides and have similar chemical properties.
2.REEs are commonly used in consumer electronics.
3.They are also known as the Green Elements.
Which of the statements given above are correct?

[A] 1 and 2 only

[B] 2 and 3 only

[C] 1 and 3 only

[D] 1, 2 and 3

Answer: D
Notes:

Statement 1, 2 and 3 are correct. REE are a set of 17 chemical elements in the periodic table which tend to occur in the same ore deposits as the lanthanides and have similar chemical properties. REEs are commonly used in consumer electronics such as televisions, tablet computers, cameras, etc. They are also known as the “Green Elements” because they are essential to many green energy technologies.

Source: The Indian Express