Which of these is a source of heat energy?

Explanation: Fire produces heat energy through combustion.

Q: Who became the first female sniper in the Border Security Force (BSF)?
Ans: Suman Kumari

Q: Where did the 23rd National Athletics Championship 2024 for the Blind start on December 14, 2024?
Ans: Nadiad (Gujarat)

Q: Habitat loss caused by human actions is a prime culprit in what phenomenon, which appears to be occurring for a sixth time?
Ans: Big Bang

Q: After coming apart from the crystal, the individual ions are then surrounded by solvent particles in a process called what?
Ans: solvation

Q: Which modern drug is an example of an antihistamine?
Ans: Cetirizine

Q: On May 16, 2024, which state celebrated its 49th Foundation Day?
Ans: Sikkim

Q: What are formed by the loss of one or two electrons from an element?
Ans: cations

Q: What is raising the temperature of earth’s surface?
Ans: greenhouse effect

Q: Which country led the Industrial Revolution?
Ans: United Kingdom

Q: What was the public’s view on tariffs in March 2025?
Ans: Broadly supported

Q: Which airport has achieved the status of 'Zero Waste to Landfill' on May 23, 2024?
Ans: Thiruvananthapuram Airport

Q: What indicates a worn timing chain?
Ans: Rattling noise

Q: In which state has a 900-year-old Kannada inscription of the Kalyana Chalukya dynasty been found?
Ans: Telangana

Q: Which way does an electric charge always move from?
Ans: higher to lower

Q: Who launched the AI-powered health insurance scheme 'Elevate' on July 8, 2024?
Ans: ICICI Lombard