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Questions and Answers
Metals occur in nature sometimes free but mostly in ______ state
Metals occur in nature sometimes free but mostly in ______ state
combined
Most of the metals are found in the form of ______ in nature
Most of the metals are found in the form of ______ in nature
compounds
Ores are those minerals from which metals can be obtained ______ and profitably
Ores are those minerals from which metals can be obtained ______ and profitably
economically
The unwanted rocky, earthy or sandy materials almost always associated with ores as impurities are called ______ or matrix
The unwanted rocky, earthy or sandy materials almost always associated with ores as impurities are called ______ or matrix
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The chemistry of extracting metals from their ores is ______
The chemistry of extracting metals from their ores is ______
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