Two drops of dilute sulphuric acid were added to 1g of copper sulphate and then small amount of hot water was added to dissolve it (step I). On cooling beautiful blue coloured crystals got separated (step II).
Step(I) and step (II) are:
1, Physical and chemical changes respectively.
2, chemical and physical changes respectively.
3, Both physical changes.
4, Both chemical changes.
Answers
Answered by
1
Answer:
Explanation:
c both physical change
Answered by
0
Explanation:
Both physical and chsmical change
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