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Give reason:

(a) A piece of sodium should not be thrown into the sink in a laboratory.
(b) Carbon cannot be used to reduce aluminium from aluminium oxide.


(a) sodium should not thrown into the sink because it is a reactive metal and it reacts vigorously if it comes in contact with moisture and air
(b) carbon cannot reduce Aluminium from aluminium oxide because it has great affinity for oxygen .
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(b) carbon can not be used to reduce aluminium from aluminium oxide because it is less reactive than aluminium
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