Explanation

• O₃ is the chemical formula of ozone gas.
• Ozone is an allotrope of oxygen containing three oxygen atoms.
• It is mainly found in the stratosphere, where it forms the ozone layer.
• The ozone layer protects Earth from harmful ultraviolet (UV) radiation.

Last verified on 30-06-2026

Explanation

🔹 1 BTU = 1055.06 Joules (approx.)

🔹 1 BTU = 252 calories (approx.)

🔹 1 Joule = 0.0009478 BTU

🔹 1 kWh = 3412 BTU, linking electrical energy to heat energy.

🔹 Commonly used in heating/cooling systems

🔹 Named after the British engineers who developed early thermal measurements

Last verified on 30-06-2026

Explanation

• World Water Day is observed every year on 22 March.

Additional information:

• First Observed: 22 March 1993
• Organized by: United Nations (UN)
• Theme 2021: 'Valuing Water'
• Theme 2022: "Groundwater, making the invisible visible".
• Theme 2023: Accelerating Change
• Theme 2024: Leveraging Water for Peace
• Theme 2025: Glacier Preservation
• Theme 2026: Water and Gender: Where water flows, equality grows

Last verified on 30-06-2026

Explanation

• Gujarati was the mother tongue of Quaid-e-Azam Muhammad Ali Jinnah.
• His family belonged to the Kathiawar region of Gujarat and spoke Gujarati at home.

Additional information:

• Born: 25 December 1876
• Birthplace: Karachi, British India
• Profession: Lawyer and Politician
• Title: Quaid-e-Azam (Great Leader)
• Died: 11 September 1948 (Karachi)

Last verified on 30-06-2026

Explanation

• NATO is a military alliance.
• NATO stands for North Atlantic Treaty Organization.
• Founded: 4 April 1949 (Washington, USA).
• Headquarters: Brussels, Belgium
• Official Languages: English & French.
• Founding Members: 12

Total Members: 32

• European: 30
• North American: 2

Latest Member: Sweden (joined 7 March 2024)

• Muslim Member Country: Türkiye
• Pakistan: Not a NATO member

List of NATO member countries:

1. Albania
2. Belgium
3. Bulgaria
4. Canada
5. Croatia
6. Czechia
7. Denmark
8. Estonia
9. France
10. Germany
11. Greece
12. Hungary
13. Iceland
14. Italy
15. Latvia
16. Lithuania
17. Luxembourg
18. Montenegro
19. Netherlands
20. North Macedonia
21. Norway
22. Poland
23. Portugal
24. Romania
25. Slovakia
26. Slovenia
27. Spain
28. Turkiye
29. United Kingdom
30. United States
31. Finland
32. Sweden

Last verified on 17-03-2026

Explanation

Bulgaria Capital is Sofia.

Bulgaria Currency is Lev.

Bulgaria official language is Bulgarian.

Bulgaria located is in Continent Europe.

Bulgaria Primary Religion is Secular.

Bulgaria Parliament called Narodno Sabranie.

Tricks for Remember

Last verified on 30-06-2026

Explanation

• Date: 10 December
• Date and Year of UDHR adoption: 10 December 1948
• Adopted by: United Nations General Assembly
• Document: Universal Declaration of Human Rights (UDHR)
• Purpose: Protection and promotion of human rights
• 2025 Slogan: "Human Rights, Our Everyday Essentials".

Last verified on 06-04-2026

Explanation

• Red Rose is considered the national flower of Iran.
• The rose has a long cultural and historical importance in Iranian art and literature.
• It is associated with beauty, love, and spirituality in Persian culture.

Additional information:

• Capital: Tehran
• Currency: Iranian Rial (IRR)
• Official Language: Persian (Farsi)
• Continent: Asia
• Iran is historically known as Persia.

Last verified 30-06-2026

Explanation

• Location: Northwest Territories, Canada
• Area: About 27,000 km²
• Maximum depth: About 614 meters
• It is the second-largest lake in Canada.
• It is the deepest lake in North America.
• The lake is named after the Slavey First Nations people.

Last verified on 30-06-2026

Explanation

Zambia Capital is Lusaka.

Zambia Currency is Zambian Kwacha.

Zambia official language is English.

Zambia located is in Continent Africa.

Zambia Primary Religion is Christianity.

Zambia Head of Govt. is President – Hakainde Hichilema.

Zambia Parliament called National Assembly.

Tricks for Remember

Last verified on 30-06-2026