Explanation

• The Sun is a star.
• There are lots of stars, but the Sun is the closest one to Earth.
• It is the center of our solar system.
• The Sun is a hot ball of glowing gases.
• The sun is composed of layers made up almost entirely of hydrogen and helium.

Last verified on 13-03-2026

Explanation

Malaysia Capital is Kuala Lumpur.

Malaysia Currency is Ringgit.

Malaysia official language is Malay.

Malaysia located is in Continent Asia.

Malaysia Primary Religion is Islam.

Malaysia Head of Govt. is Prime Minister – Anwar Ibrahim

Malaysia Parliament called Majilis.

Last verified on 13-03-2026

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

• The branch of chemistry that studies heat energy released or absorbed during chemical reactions is called Thermochemistry.
• It explains how heat changes occur during reactions such as combustion, neutralization, and dissolution.
• It deals with concepts like enthalpy change (ΔH), exothermic reactions, and endothermic reactions.

Last verified on 11-03-2026

Explanation

Canberra is the capital city of Australia

Additional information
Currency is the Australian Dollar.

The official language is English.

The national game is Cricket.

Located in the continent of Oceania.

Primary Religion is Christianity (but a secular country).

Head of Govt is Prime Minister  - Anthony Albanese.

Parliament is called the Federal Parliament.

Australia flag has three colours.

Tricks for Remember

DOLLAR

 Li-Ne-US-Ca-Fi-T-E-A

Mind trick: Li ne(a name) who lives in US likes Coffee(Ca- Fi) and Tea(T-E-A)

**Li-Ne**

Li-Liberia

Ne-New Zealand

**US**

United States

**Ca-Fi**

Ca-Canadian

Fi- Fizzi

**T-E-A**

T-Taiwan

E-Ethiopia

A-Australia

Must read

Capital of World Countries

Currency of World Countries

Last updated on 06-March-2026

Explanation

• Total States: 50
• Federal District: Washington, D.C.
• 49th State: Alaska (1959)
• 50th State: Hawaii (1959)
• First State: Delaware (1787)

Last verified on 10-03-2026

Explanation

• Pressure can be defined as the force acting per unit area.
•  Pascal (Pa) is the SI unit of pressure.
• In SI base units kg⋅m−1⋅s−2
• Derivations from other quantities: p = F / A
• Dimension unit: M L^−1 T^-2

Additional information 

The SI unit of energy/work is the joule (J)

Last updated on 09-03-2026

Explanation

Cost Price = Rs. 8000

Gain = 25%

Selling Price = 8000 + (25% of 8000)

= 8000 + (0.25 × 8000)

= 8000 + 2000

= 10000

Last verified on 06-03-2026

Explanation

Donald Trump replaced Joe Biden to become president of United States of America (USA) on 20 January 2025.

He is the 47th president of US

He had previously served as 45th president from 2016 to 2020.

He belongs to Republicans Party

Updated & verified on 15 Feb 2026

Click here for verification 

Explanation

Christopher Columbus first "discovered" the Americas on October 12, 1492

He was an Italian explorer and navigator from the Republic of Genoa

Completed four Spanish-based voyages across the Atlantic Ocean