Multiple choice general knowledge science & technology

Rocks that are rich in metals are known as _______.

  1. allotropes

  2. mettaloids

  3. slag

  4. ores

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Ores are rocks or minerals from which metals can be extracted profitably. They are rich in metal content. Allotropes are different forms of the same element, metallloids are elements with properties between metals and non-metals, and slag is waste material from metal extraction.