The correct answer is: b) Kutch
Fluorspar is a mineral with industrial uses, including the production of hydrofluoric acid, aluminum fluoride, and cryolite. It is found in many parts of the world, including Gujarat, India. The largest fluorite deposit in Gujarat is located in the Kutch district. The deposit is estimated to contain over 10 million tonnes of fluorite.
Chhota Udaipur is a district in Gujarat that is not known for its fluorite deposits. Sabarkantha is another district in Gujarat that does not have any significant fluorite deposits. Bharuch is a district in Gujarat that has some fluorite deposits, but they are not as large as the deposits in Kutch.
In conclusion, the correct answer to the question “Fluorspar, a mineral with industrial uses, is found in which district of Gujarat?” is b) Kutch.