Q. With reference to Rare Earth Elements (REEs), consider the following statements
1.It comprises 15 lanthanides elements and yttrium alone.
2.China is one of the leading producers of REEs with an estimated 70% share of the global production.
Which of the statements given above is/are correct?
Answer: B
Notes:
Statement 1 is incorrect: Rare earth elements (REEs) are a group of seventeen chemically similar metallic elements on the periodic table. It comprises 15 lanthanides elements (lanthanum to lutetium), plus scandium and yttrium. REEs are classified as light RE elements (LREE) and heavy RE elements (HREE).
Statement 2 is correct: There is a dependence on countries such as China for heavy RE elements (HREEs). This is because China is one of the leading producers of REEs with an estimated 70% share of global production.
Source: Indian Express
