Purification And Characterisation Of Organic Compounds Question 52
Question: Which one of the following is correct
[MP PET/PMT 2002]
Options:
A) A mineral cannot be an ore
B) An ore cannot be a mineral
C) All minerals are ores
D) All ores are minerals
Show Answer
Answer:
Correct Answer: D
Solution:
All minerals are not suitable for the extraction of metals commercially.
Thus all ores are minerals, but all minerals are not ores.