Which district of Pakistan is home to the Khewra Salt Mine, the world's second-largest salt mine?
Q1. Which district of Pakistan is home to the Khewra Salt Mine, the world's second-largest salt mine?
Answer: Jhelum
Explanation: The Khewra Salt Mine, the world's second-largest salt mine, is located at Khewra in Jhelum district of Punjab, where it has been mined since at least the 1200s. It sits at the foothills of the Salt Range and produces millions of tonnes of rock salt annually.