Cuddling of milk
Drying of paint
Sublimation of camphor
Oxidation of SO2 TO SO3
which of the above are chemical changes?
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Drying of paint hope it help
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cuddling milk is a chemical change because when curd is formed from milk. milk lose it property and new thing(curd).
drawing of paint is both physical and chemical change. because the state of paint change the drying and chemical because the paint combines with gases in the atmosphere.
sublimation of camphor is a physical change.
catalytic oxidation of SO2 to so3 is a key step in sulphuric acid production.
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