Explanation

• Carbon dioxide (CO₂) is used in fire extinguishers.
• It extinguishes fire by displacing oxygen and cooling the burning material.
• CO₂ fire extinguishers are especially effective for electrical and flammable liquid fires.
• Carbon dioxide is a colorless and non-flammable gas.
• It leaves no residue after use.

Explanation

• The largest river in Pakistan is the Indus River.
• It is the National River of Pakistan.

Additional information:

• The Indus River starts in Tibet.
• It originates from the Mansarovar lake.
• They flow through India, Pakistan.
• It finally falls into the Arabian Sea near Karachi.
• They start making a delta near the city of Thatta.
• The old name of the Indus River was Sindhu.
• There are 6 Barrages constructed in the Indus River.
• The length of the Indus River is 3,180 km.
• The 2nd source of Indus River is Gar Tsangpo.
• The upper Indus Plain starts from Kalabagh.
• The upper Indus Plain ends at Mithankot.

Last verified on 10-07-2026

Explanation

• Discoverer: Alexander Fleming
• Year of discovery: 1928
• Place: St. Mary's Hospital, London
• First patient treated with penicillin: Albert Alexander
• Date of first treatment: 12 February 1941

Last verified on 01-07-2026

Explanation

• The phrase "Out of the blue" means Unexpectedly/Suddenly.
• It refers to something happening without warning or surprise, like a sudden event or occurrence.

Last verified on 06-08-2026

Explanation

• Miqat is the designated boundary for entering the state of Ihram.
• Pilgrims must wear Ihram before crossing Miqat.
• It applies to both Hajj and Umrah.
• Different regions have different Miqat points.
• Crossing Miqat without Ihram requires compensation (Dum).

Last verified on 26-04-2026

Explanation

• Mujadad Alif Sani initiated the Jihad against Din-e-Illahi.
• Sheikh Ahmad Sirhindi, also known as Imam Rabbani.
• It is a religious movement introduced by Emperor Akbar in 1582.
• Origin: Fatehpur Sikri, Agra, Mughal Empire
• Members: 19
• Other name Tawhid-i-Ilahi(توحید الهی)

Last verified on 30-04-2026

Explanation

Explanation

• JD Vance is the current vice president since January 20, 2025
• Replaced Kamala Harris.
• He is the 50th vice president of US.
• He belongs to Republican Party.
• 
  

Click here for reference

Updated & verified on 08-04-2026

Explanation

• The name Table Tennis was officially adopted in 1921–22.
• It replaced the earlier popular name “Ping-Pong.”
• The original Ping-Pong Association (1902) was revived at that time.
• After revival, the sport was standardized and renamed.

Last verified on 31-03-2026

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