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Answer the following :
(a) Why should chemical equations be balanced ?
(b) Name the oxidising and reducing agent in the following equation : $\ce{4Na + O2 -> 2Na2O}$
(a) Why should chemical equations be balanced ?
(b) Name the oxidising and reducing agent in the following equation : $\ce{4Na + O2 -> 2Na2O}$
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(a)To follow the law of conservation of mass
(b) Oxidising agent - $\ce{O2}$/Oxygen
Reducing agent - $\ce{Na}$/Sodium
(b) Oxidising agent - $\ce{O2}$/Oxygen
Reducing agent - $\ce{Na}$/Sodium