Describe with one example how moderately reactive metals are extracted?

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Solution

The moderately reactive metals are extracted by the reduction of their oxides with carbon, aluminium,sodium or calcium.
Example: When zinc sulphide (zinc blende ore) is strongly heated in air (roasted), it forms zinc oxide and sulphur dioxide. This process is called roasting. Then, zinc oxide is heated with carbon to form zinc metal. This process is termed as reduction.

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