Which of the following techniques are used in the extra - Practice (English)

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Which of the following techniques are used in the extra - Practice (English) | ObjectiveMcq

PracticeAerospace Materials ProcessesBasicsWhich of the following techniques a...

Basics Aerospace Materials ProcessesMedium

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Which of the following techniques are used in the extraction of copper?

Correct Answer: C — Roasting, refining

Explanation:

The extraction of copper from its ores is done through several techniques that include roasting, refining, smelting, crushing etc. Dow's process is done to obtain the substance magnesium, not copper.

Related Practice

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