Who discovered that the chemical element Titanium is isolated from dark mineral iron sand matrices? MCQ with Answer and Explanation

Question

Share Report Error

Who discovered that the chemical element Titanium is isolated from dark mineral iron sand matrices?

A. Martin Heinrich Klaproth

B. Antoine Lavoisier

C. Jöns Jacob Berzelius

D. William Gregor

Answer: Option D

Solution (By JKSSB Mock Tests)

English clergyman William Gregor discovered titanium in ilmenite mineral sands in 1791, naming it 'menaccanite'.

This question belongs to: Static General Knowledge Inventions and Discoveries

Request complete Subject PDF

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Inventions and Discoveries Questions

Question #1

Share Report

Who discovered the planet Neptune using mathematical calculations before it was verified by telescope?

A. William Herschel

B. Urbain Le Verrier and John Couch Adams

C. Johannes Kepler

D. Galileo Galilei

View Answer & Solution Discuss

Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option B

Explanation:
Urbain Le Verrier and John Couch Adams independently calculated the location of Neptune based on irregularities in Uranus's orbit.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #2

Share Report

Who discovered Hydrogen gas, which he called 'inflammable air'?

A. Antoine Lavoisier

B. Joseph Priestley

C. John Dalton

D. Henry Cavendish

View Answer & Solution Discuss

Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option D

Explanation:
Henry Cavendish isolated hydrogen gas in 1766 and recognized it as a discrete substance.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #3

Share Report

The invention of the first functional high-vacuum electron tube amplifier, the Audion triode, was made by whom?

A. John Ambrose Fleming

B. Lee de Forest

C. Thomas Edison

D. Nikola Tesla

View Answer & Solution Discuss

Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option B

Explanation:
Lee de Forest added a grid control wire element to Fleming's diode in 1906, creating the first signal amplification tube.

This question belongs to: Static General Knowledge Inventions and Discoveries

Explore All Inventions and Discoveries MCQs