Explanation

• UNO Founded: 24 October 1945 (after World War II 1939–1945)

Additional information:

• UNO Stands for: United Nations Organization
• Headquarters: Manhattan, New York City
• Member States: 193 countries
• Official Languages (6): Arabic, Chinese, English, French, Russian, Spanish
• Motto: “It’s your world!” (commonly used awareness slogan)
• Pakistan Joined UNO: 30 September 1947

Last verified on 10-06-2026

Explanation

• Inventor: Tim Berners-Lee
• Collaborator: Robert Cailliau
• Year of invention: 1989 August
• Organization: CERN (European physics lab, Switzerland)
• First website: 1991 (public release)
• WWWW stands for World-Wide Web Worm.

Last verified on 24-06-2026

Explanation

• Kyoto is a historic city in Japan known for its rich culture and heritage.
• It served as the capital of Japan until 1868.
• The city was originally founded in 794 AD as Heian-kyō.
• Today, it is famous for temples, shrines, and traditional Japanese culture.

Last verified on 23-06-2026

Explanation

• Brave means بہادر
• Fearful means خوف زدہ
• Coward means بزدل

Last verified on 12-06-2026

Explanation

Sri Lanka Currency is Sri Lankan Rupee.

Sri Lanka Capital is Colombo.

Sri Lanka official language is Sinhala; Tamil.

Sri Lanka located is in Continent Asia.

Sri Lanka Primary Religion is Buddhist, Hindu, Islam.

Sri Lanka Head of Govt. is Prime Minister - Dinesh Gunawardena.

Sri Lanka is divided into Nine Provinces.

Ceylon was changed into Sri Lanka on 22 May 1972.

Sri Lanka: Asian island nation

National game in Sri Lanka: Volleyball

Sri Lanka Parliament called.

Tricks for Remember

RUPEE

Mind Tricks : PICS of MN

***PICS***

P - Pakistan

I - India

C - Ceylon

S - Srilanka

**MN**

M - Maritius

N - Nepal

Last verified on 18-03-2026

Explanation

• A chemical reaction that releases heat energy to the surroundings is called an Exothermic Reaction.
• In such reactions, energy is produced in the form of heat, light, or flames.
• Examples include combustion of fuel, respiration, and neutralization reactions.

Additional information:

• An endothermic reaction, which absorbs heat from the surroundings.

Last verified on 11-03-2026

Explanation

Last verified on 07-02-2026

Explanation

The least count of a Vernier caliper is 0.02mm.

It is the smallest measurement that can be accurately read using the instrument.

It is derived from the difference between one main scale reading and one Vernier scale reading.

It is commonly used to accurately measure outside diameters of shafts, thicknesses of various parts, diameters of holes or rings, internal dimensions of hollow jobs, and depths of holes or steps. 

Explanation

Jerusalem is located in Israel.

Area: 125.1 km²

Founded: 3000 BC

Population: 874,186 (2016) United Nations

Jerusalem is considered by many to be one of the holiest places in the world.

Jerusalem largest city in Israel.

Jerusalem is a site of major significance for the three largest monotheistic religions:

Judaism,

Islam,

Christianity

both Israel and Palestine have claimed Jerusalem as a capital city.

Israel captured the West Bank and East Jerusalem in the 1967 Middle East War.

Explanation

"Combustion of methane" is an example of an exothermic reaction. 

Photosynthesis:

This is an endothermic reaction, meaning it absorbs energy from sunlight to produce glucose. 

Decomposition of calcium carbonate:

This is also an endothermic reaction, as it requires energy to break down calcium carbonate into calcium oxide and carbon dioxide. 

Electrolysis of water:

This is an endothermic reaction where electricity is used to split water into hydrogen and oxygen.