1.

Balance the following chemical equations : (i) NaOH+H_(2)SO_(4) toNa_(2)SO_(4)+H_(2)O (ii) PbO+C to Pb+CO_(2) (iii) Fe_(2)O_(3)+Al to Al_(2)O_(3)+Fe+"Heat"

Answer»

Solution :(i) `2NaOH+H_(2)SO_(4) to Na_(2)SO_(4)+2H_(2)O`
(II) `2PbO+C to 2Pb+CO_(2)`
(III) `Fe_(2)O_(3)+2AL to Al_(2)O_(3)+2Fe+"Heat"`


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