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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