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ICSE Class 10 Answered

(a) With the help of a suitable example, explain oxidation and reduction in terms of gain or loss of oxygen. (b) Identify the substances that are oxidised and the substances that are reduced in the following reaction: 4Na(s) + O2(g)   2Na2O(s)
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
answered-by-expert Expert Answer

(a) Oxidation: gain of oxygen by a substance

 

Reduction: loss oxygen by a substance

 

(b) Sodium (Na) is oxidised to sodium oxide as it gains oxygen and oxygen gets reduced.

Answered by | 04 Jun, 2014, 03:23: PM

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