Explanation

• The water potential of pure water is zero (0).
• It is taken as a standard reference point.
• Pure water has no dissolved solutes.
• Chemical formula: H2O
• Molar mass: 18.01528(33) g/mol
• Melting point: 0.00 °C (32.00 °F; 273.15 K) [b]
• Boiling point: 99.98 °C (211.96 °F; 373.13 K)

Last updated by NS on 20-April-2026

Explanation

Abasement means  ذلت، تذلیل، یا ہتک

Humiliation means ذلت

Explanation

• The Shatt Al-Arab is the river that borders Iraq and Iran
• Flows into the Persian Gulf.
• Formed by the confluence of the Euphrates and Tigris Rivers near Qurnah, Iraq.
• Width: Varies from 120 ft (37 m) at Basra to 0.5 mile (0.8 km) at its mouth.
• History: The scene of prolonged and intense fighting between Iraq and Iran in the 1980s.

Last updated by NS on 20-April-2026

Explanation

• Lahore, the capital of Punjab, Pakistan,
• Border City: Amritsar, India.
• Border Crossing: Wagah-Attari.
• Before the 1947 partition, Lahore was closely linked to the city of Amritsar.

Additional information:

• Wagah is situated 600 m (2,000 ft) west of the India-Pakistan border
• Lies on the historic Grand Trunk Road between Lahore and Amritsar in India.
• The border is located 24 km (15 mi) from Lahore and 32 km (20 mi) from Amritsar

Last updated by NS on 01 MAY 2026

Explanation

• The 1971 India-Pakistan war lasted for 13 days.
• Duration: December 3 – December 16, 1971.
• Surrender: Over 90,000 Pakistani personnel surrendered.
• Outcome: Formation of the new nation of Bangladesh.
• Name: Celebrated as Vijay Diwas in India and Victory Day in Bangladesh.

Last updated by NA on 22-April-2026

Explanation

Acrimony means تلخی، کڑواہٹ، جھلاہٹ، یا تیز مزاجی

Bitterness means تلخی 

Last updated by NS on 20-April-2026

Explanation

• Indian External Affairs Minister S. Jaishankar visited Islamabad, SCO
• Event: 23rd SCO Council of Heads of Government (CHG) Meeting
• Venue: Jinnah Convention Centre, Islamabad
• Starting date: 15 Oct 2024
• Ending date: 16 Oct 2024
• Chairmanship: Pakistan  

Additional information

• SCO, the Shanghai Cooperation Organization, is an organization 
• Having 10 member states with its headquarters in Beijing, China

Last updated by NA on 27 April 2026

Explanation

• Name “Ahmed”, one time mentioned in the whole Quran in Surah As-Saff (61:6)
• It appears in Surah As-Saff (61:6) in the context of the prophecy of Isa (Jesus), son of Mary, about the coming of a messenger after him.

ایسا سورہ الصف (61:6) میں عیسیٰ ابن مریم کی ایک پیغمبر کے بارے میں پیشین گوئی کے تناظر میں ظاہر ہوتا ہے جو ان کے بعد آئے گا۔

Additional information: 

• The name “Muhammad” is mentioned four times in the whole Quran.
• Surah Ali-Imran: ayat 144.
• Surah al-Ahzab: ayat 40.
• Surah Muhammad: ayat 2.
• Surah al-Fath: ayat 29

Last updated by NS on 01 MAY 2026

Explanation

• The Umayyad Caliphate was overthrown in 750/751 AD
• Abbasids defeated the Umayyads in the Battle of the Zab
• Battle of the Zab is also known as the Battle of the Great Zab River
• Battle of the Zab (750 AD):
• The Abbasid forces, led by Abu al-Abbas al-Saffah,
• Defeated the army of the last Umayyad caliph, Marwan II.
• Abbasid Revolution (747–750 AD):
• The revolution began in 747 in Khorasan,
• Fueled by non-Arab Muslims (Mawali) and Shia supporters against Umayyad rule.

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Last updated by NS on 01 MAY 2026

Explanation

• R-600a (Isobutane): Most common in modern, energy-efficient household refrigerators.
• R-134a (Tetrafluoroethane): Widely used in previous decades and still common in light refrigeration.
• R-290 (Propane): Used in some eco-friendly cooling units.
• Ammonia (NH3): Used mainly in industrial or large-scale commercial refrigeration

Last updated question by NA on 28 April 2026