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Q 2627745681.     Each of the following statement is true, only under some
specific conditions. Write the condition for each
subquestion in not more than `2` sentences.
(i) Metals can he recovered from their ores by chemical methods
( ii) High purity metals can be obtained by zone refining method.
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)