Question : What distinguishes non-metallic minerals from metallic minerals?
Option 1: Non-metallic minerals are always solid
Option 2: Non-metallic minerals have metallic properties
Option 3: Non-metallic minerals do not contain metals
Option 4: Non-metallic minerals are used in energy production
Correct Answer: Non-metallic minerals do not contain metals
Solution : Non-metallic minerals do not contain metals, unlike metallic minerals, and are used in various industries such as construction, ceramics, and chemicals.