The presence of what chemical element causes the red color of rubies?
- chromium
- carbon
- graphite
- argon
Answer
The correct answer is A) chromium.
More General Knowledge questions
- What actress stars in the 1998 movie A Price Above Rubies which borrows its title from the biblical quote, Who can find a virtuous woman? For her price is far above rubies.?
- What band/artist originally recorded the song Ruby Tuesday, which is on Rolling Stone magazine list of the 500 Greatest Songs of All Time?
- Some of the the most famous rubies in crown jewels around the world, including the Black Princes Ruby and the Timur Ruby in the British Crown Jewels, are actually what kind of mineral?
- Which wedding anniversary is traditionally called a Ruby Anniversary?
- What kind of product, developed in Japan in the mid 1990s, was named Ruby?
- The war between the White and Red Rose in England have been leads to change which dynasty on the throne.