EPT

Compounds of metals found in earth crust

• SUGAR
• BASES
• MINERALS
• SINERALS

Minerals from which metals can be extracted profitably & conveniently

• Minerals
• Pinerals
• Ores
• Cores

Rocky impurities associated with the ores

• MATRIX
• GANGUE
• MATRIX OR GANGUE
• NONE

Large scale process involved in the extraction of pure metals from their ores is known as

• ALLERGY
• METALLURGY
• CATALLURGY
• NONE

First step of metallurgy

• CONCENTRATION OF THE ORE
• OXIDATION
• REDUCTION
• REFINING