Explanation

• Bleaching powder: CaOCl₂
• Chemical name: Calcium oxychloride.
• Main uses: Bleaching and disinfection.
• CaCl₂: Calcium chloride.
• Ca(OH)₂: Calcium hydroxide (slaked lime).

Last verified on 03-09-2026

Explanation

• It is an ionic compound with the chemical formula NaCl.
• It representing a 1:1 ratio of sodium and chloride ions. 
• Table salt is the granulated white salt seen in most saltshakers.
  
• It is typically mined from underground deposits.
• It is commonly known as Sodium chloride.

Last verified on 03-09-2026

Explanation

• The largest bone in the human body is the femur (the thighbone)
• It is located in the upper leg, between the hip and the knee.
• It supports the weight of the body and helps you walk, run, and stand
• It is about 48 centimeters (18 inches) long.

Additional information:

• The lowest part of the backbone is called the sacrum.
• The smallest bone is the stirrup (stapes).
• The strongest bone for its size is the lower jaw or mandible.

Last updated by NA on 09-09-2026

Explanation

• The largest solid internal organ is the liver.
• It weighs approximately 3–3.5 pounds or 1.36–1.59 kilograms.
• It is about the size of a football.

Additional information:

• Skin is the largest external organ of the human body

Last verified on 03-09-2026

Explanation

• The kidneys purify the blood in the human body.
• They remove waste materials and extra water.
• Kidneys help maintain the body’s chemical balance.
• Each person has two kidneys.
• They produce urine as a waste product.

Last verified on 07-06-2026

Explanation

• Muzaffarabad is the capital and largest city of Azad Jammu and Kashmir
• Established 1646
• Founded by Sultan Muzaffar Khan
• Situated at the Jhelum and Neelum rivers

Explanation

Explanation

• Greenland is the world’s largest island.
• It is located between the Arctic and Atlantic Oceans.
• It belongs to the Kingdom of Denmark.
• Population is about 56,000 people only.
• Area: 2.131 million km²
• Maximum width: 1,050 km
• Location: North America region (Arctic area)
• Capital: Nuuk

Last verified on 06-06-2026

Explanation

• The percentage of Punjabi-speaking people in Pakistan is 39%.

Additional information:

• Sindhi speaking in Pakistan: 15%
• Pashto speaking in Pakistan: 18%
• Urdu in speaking Pakistan: 8%
• Balochi speaking in Pakistan: 3%

Explanation

• Raw data processed by a computer becomes Information.
• Data consists of raw, unorganized facts and figures.
• After processing, data becomes meaningful and useful information.
• Information helps users make decisions.

Last verified on 13-07-2026