KBC 13: Minerals containing which metal are primarily mined in the Khetri region of Rajasthan?
KBC 2021: Minerals containing which metal are primarily mined in the Khetri region of Rajasthan?
Copper is a chemical element that has the atomic number 29. It is symbolised by Cu. In nature, Copper is a soft, malleable, and ductile metal. It has a very high thermal and electrical conductivity. If you see a freshly exposed surface of pure copper, it is pinkish-orange in colour. Copper is also used as a conductor of heat and electricity.
The questions asked on KBC October 11 are:
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