Question
Which one among the following elements is known to be discovered the earliest?
NDA
General Ability
General Science
2025
NDA 2025 (Phase 1)
NDA General Ability Question (2025) — Solution
Options
- A. Copper
- B. Gold
- C. Oxygen
- D. Uranium
Answer
A. Copper
Step-by-step solution
Copper is one of the oldest metals known to human civilization and was discovered around 9000 BC. Gold was discovered later, around 6000 BC. Oxygen was discovered independently by Carl Wilhelm Scheele and Joseph Priestley in 1774. Uranium was discovered by Martin Heinrich Klaproth in 1789. Therefore, copper is the earliest discovered element among the given options. Answer: Copper
Related: General Ability — General Science · All PYQ Banks