CBSE Class 10 Answered
question
Asked by sweetynam | 18 Feb, 2009, 11:25: PM
Expert Answer
Chemical reactions might be undesirable in certain cases. For example chemical reaction of curd with copper vessals poisons the curd as well as eats up the copper of the vessal, which is undesirable.
Answered by | 19 Feb, 2009, 12:50: AM
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