Reactivity of metals — task. Science CBSE Homework Assignments, Class 10.

Answer variants:

Magnesium oxide

Copper sulphide

Reduction to metal

Sulphide ore

Metals of medium reactivity

⇓

⇓

Roasting

⇓

Oxide of metal

⇓

⇓

Purification of metal

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2. Reactivity of metals