Describe with one example, how moderately reactive metals (which are in the middle of reactivity series) are extracted.
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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 termed as reduction.
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Explanation:
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 termed as reduction.
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