What are the different methods of concentration of ores?

NCERT GUJARATI-GENERAL INTRODUCTION TO METALLURGY-QUESTIONS (WRITE IN ONE OR TWO SENTENCE)

1. What are the elements obtained from sea water source?

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2. What are the different methods of concentration of ores?

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3. What is gravity separation ?

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4. Name the ores which are concentrated by froth floatation process.

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5. Define Metallurgy

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6. What is calcination? Give example.

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