Question
Chemistry Question on General Principles and Processes of Isolation of Elements
All ores are minerals, while all minerals are not ores because
A
minerals are complex compounds
B
minerals are obtained from mines
C
the metal cannot be extracted economically from all the minerals
D
all the above are correct
Answer
the metal cannot be extracted economically from all the minerals
Explanation
Solution
All ores are minerals, while all minerals are not ores because the metal can't be extracted economically from all the minerals.