Prelims 2012 · Science and Technology · Question 86
Recently, there has been a concern over the short supply of a group of elements called 'rare earth metals'. Why?
- China, which is the largest producer of these elements, has imposed some restrictions on their export.
- Other than China, Australia, Canada and Chile, these elements are not found in any country.
- Rare earth metals are essential for the manufacture of various kinds of electronic items and there is a growing demand for these elements.
Which of the statements given above is/are correct?
Answer
1 and 3 only
1. Correct. China has been the dominant producer/exporter of rare earth elements and had imposed export restrictions/quotas, causing global supply concerns.
2. Incorrect. Rare earth elements are found in several countries, including India, the USA, Brazil, Russia, and others; they are not limited to China, Australia, Canada, and Chile.
3. Correct. Rare earths are crucial for electronics, magnets, batteries, and other high-tech products, so rising industrial demand has increased concern over supply.
Therefore, statements 1 and 3 only are correct.