Chemistry-6-Minerals and Ores

12345
1.
Which among the following qualities of iron ore is best based upon iron content?
2.
Which of the following is not a non-metallic mineral?
3.
Which among the following types of glasses contains Cerium and other rare earths and has a high absorption of ultraviolet rays?
4.
Calamine is an ore of which among the following?
5.
Carnotite is a mineral of which among the following metals?
These questions have been sourced from GKToday's "40000+ GK / General Studies MCQs for SSC & State PCS Exams" App Exclusive Course in GKToday Android Application which provides more than 40K General Knowledge and General Studies questions with explanations asked in all Competitive Exams of India.