Q1
What is an ore?
AA mineral from which metal can be economically extracted
BAny rock
CA pure metal always
DA type of gas
SSCClass 10 (SSC)Science and Technology (विज्ञान आणि तंत्रज्ञान)Ch 8 · Topic 2
Practice and Revision - Metallurgy
Let us practise and revise what we learned about metallurgy. Metallurgy is the science and technology of extracting metals from ores and pro
Core concept
Ores are naturally occurring minerals from which metals can be economically extracted, requiring concentration to remove impurities (gangue).
How it works
Extraction methods vary by metal reactivity - highly reactive metals use electrolysis, while less reactive metals use reduction with carbon.
Why it matters
Refining processes, like electrolytic refining, purify extracted metals to remove remaining impurities for high-quality applications.
Key detail
Metallurgy is essential for producing metals used in construction, transportation, electronics, and countless other industrial applications.
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Quick notes
• Ores: minerals metals are extracted from.
• Concentration removes impurities (gangue).
• Reactive metals: electrolysis extraction.
• Less reactive: reduction with carbon.
• Refining: electrolytic refining purifies metals.
• Removes remaining impurities.
• Metallurgy essential for construction, electronics.
• Also transportation, countless applications.