The correct answer is: a) Uranium
Gujarat is the only Indian state with reserves of uranium. The state has estimated reserves of 22,000 tonnes of uranium, which is about 80% of India’s total uranium reserves. The uranium reserves are located in the districts of Banaskantha, Kutch, and Surendranagar.
Uranium is a radioactive metal that is used in nuclear power plants. It is also used in some medical treatments and in the production of nuclear weapons.
Wollastonite is a mineral that is used in the production of ceramics, glass, and other materials. It is found in many parts of India, including Gujarat.
Platinum is a precious metal that is used in jewelry and other decorative items. It is also used in catalytic converters and other industrial applications. Platinum is found in very small quantities in India, and there are no known commercial deposits of the metal in the country.
Lithium is a soft, silvery-white metal that is used in batteries, ceramics, and other materials. It is found in small quantities in India, but there are no known commercial deposits of the metal in the country.