Question

How would you show that setting of curd is a chemical change?
NCERT Solutions for Class 7th Science Chapter 6 Physical and Chemical Changes Page 66 Exercise Question 6

Answer 1

Once the curd is formed, milk cannot be re-obtained from it. Also, both milk and curd have different properties. Since these are the properties of a chemical change, setting of curd is a chemical change.

Answer 2

Answer:Setting of curd is a chemical change,because once curd is formed,we cannot put the milk back to its original form, and also milk and curd have different properties,so it is a chemical change

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