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So2 +4hf ----> sf4 + 2h20
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Answer:
(a)SO2+4HF- - - -SF4+2H2O
(b)Mg(OH)2+2HCl- - - -MgCl2+2H2O
(c)CH4+2O2- - - - -CO2+2H2O
Explanation:
In the first equation to balance we do keep 4 on the left and 2 on the right
In all the chemical reactions we do the same.So by this we can balance the given chemical reactions
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