Wed Mar 05 06:22:11 UTC 2025: ## The Hindu’s Daily Quiz Challenges Readers on Critical Minerals
**CHENNAI, INDIA (March 5, 2025)** – The Hindu newspaper today presented a quiz focusing on critical minerals and their applications in various fields. The quiz, published in the Science For All section, tested readers’ knowledge of elements crucial to modern technology and medicine.
The five-question quiz covered a range of topics, including:
* **Nuclear reactor components:** One question asked for the name of an element used in nuclear reactor control rods and magnetostrictive materials.
* **Automotive emission control:** Another questioned the type of converters used to reduce harmful emissions from internal combustion engines.
* **Laser technology and magnetism:** The quiz also explored an element used in lasers and powerful permanent magnets, notable for its color-changing properties in glass.
* **Medical applications:** One question highlighted an element named after a Russian mine official and its use in a bone cancer pain treatment.
* **Steel production:** Finally, the quiz delved into the element added to steel to enhance corrosion resistance.
Additionally, a bonus question asked readers to identify the scientist who, along with Andrew Smith, discovered a new inorganic blue pigment in 2009 using a combination of critical minerals. The quiz underscores the growing importance of critical minerals in diverse sectors, from energy to healthcare.
First Piper 