The correct answer is B. Jharkhand is the 2nd largest producer of copper in India.
Copper is a chemical element with the symbol Cu and atomic number 29. It is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. Copper is one of the most widely used metals in the world, and is a major component of many alloys, including brass and bronze.
India is the world’s sixth largest producer of copper, and Jharkhand is the second largest producer of copper in India. The state has a number of copper mines, including the Tisco Copper Mine, the Hindustan Copper Mine, and the Balco Copper Mine. These mines produce a total of about 200,000 tonnes of copper per year.
The other options are incorrect. Option A is incorrect because Rajasthan is the largest producer of copper in India. Option C is incorrect because Madhya Pradesh is the third largest producer of copper in India. Option D is incorrect because Chhattisgarh is the fourth largest producer of copper in India.