why sour substances are effective in cleaning the tarnished vessels?
Asked by | 18th Mar, 2008, 02:31: PM
Expert Answer:
sour substances generally contain some or other acid . tarnished vessels hv a coating of metal oxide on them.
so this acid of sour substance neutralize metal oxide or base ie ionisable H in acid is replaced by metal ion forming salt n water . which can b easily removed thereby cleaning the vessel
Answered by | 17th Apr, 2008, 07:21: PM
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