Chemistry, asked by dhanush7781, 2 months ago

Why do most of the ores occur in the form of oxides in Earth's crust?

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Answered by sangitaguptakol97

Answer:

Most active metals are highly electropositive and therefore exist as ions. It is for this reason that most of the important ores of these metals occur as (i) oxides (ii) sulphides (iii) carbonates (iv) halides and (v) silicates. Some sulphide ores undergo oxidation by air to form sulphates.

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