Explanation

• Khewra Salt Mine is located in Khewra near Pind Dadan Khan, Jhelum District, Punjab.
• It is the largest and oldest salt mine in Pakistan.
• It is the second-largest in the world.

Additional information:

• It is also called the Mayo Salt Mine.
• The salt deposits were discovered during the campaign of Alexander the Great in 326 BC.
• The mine was officially opened in 1872 during the British period.

Last verified on 14-03-2026

Explanation

• Other name: Peace Pipeline
• Countries: Iran and Pakistan
• Purpose: Transportation of natural gas
• Proposed length: 2,775 km
• Pakistan President at inauguration ceremony: Asif Ali Zardari
• Iranian President: Mahmoud Ahmadinejad
• Inauguration: 11 March 2013

Last verified on 04-09-2026

Explanation

• Nitrous oxide, commonly known as laughing gas.
• It is a colorless, non-flammable gas used in medicine.
• Nitrous oxide (N₂O) causes temporary laughing and relaxation.

Additional information:

• Nitrous oxide was discovered by Joseph Priestley in 1772.

Last verified on 18-01-2026

Explanation

• The 1973 Constitution of Pakistan contains 280 articles.
• It is the current and permanent constitution of Pakistan.
• It came into effect on 14 August 1973.
• It was approved during the government of Zulfiqar Ali Bhutto.
• It provides the basic legal framework of the state.

Additional information:

• 1956 Constitution: 234 articles, 13 parts, 6 schedules
• 1962 Constitution: 250 articles, 12 parts, 3 schedules

Last verified on 11-06-2026

Explanation

Explanation

Explanation

• Thar Desert is the largest desert in Pakistan.
• It is the only subtropical desert in Asia.
• It is the 3rd largest in Asia.
• It spans an area of 175,000 square kilometers.
• It covers large areas of Pakistan and India.

Pakistan hosts five major deserts which were historic forests:

1. Cholistan (Bahawalpur, Punjab)
2. Thal (Bakhar district of Punjab)
3. Katpana desert (Sakardu)
4. Kharan desert (Balochistan)
5. Thar desert (Sindh)

Last verified on 02-04-2026

Explanation

• K-2 (Godwin Austin) has a total height of 8,611 meters (28,251 feet).
• It is the second-highest mountain in the world after Mount Everest.
• K2 is part of the Karakoram Range.
• It is located on the Pakistan–China border in the Gilgit-Baltistan region of Pakistan.
• The letter "K" stands for Karakoram.

Last verified on 12-03-2026

Explanation

• Nanga Parbat is part of the Western Himalayas in Gilgit-Baltistan.
• It is also locally known as Diamer.
• The peak, meaning "Naked Mountain".
• Stands at 8,126 m (26,660 ft).
• 9th-highest mountain globally.
• Also called the "Killer Mountain."
• It was first ascended on July 3, 1953.
• Shehroze Kashif recently became the youngest Pakistani to summit it.

Last verified by on 16-05-2026

Explanation

• Hydrogen and helium are the two lightest gases.
• Helium is the second most abundant element in the universe, after hydrogen.
• Helium has monatomic molecules.
• It is the lightest of all gases except hydrogen.
• Hydrogen is the lightest gas known.
• It provides the maximum lift for balloons due to its very low density.

Last updated question 17-02-2026