Krithika added two drop of dilute sulphuric acid to I gram of copper sulphate solution
then she added small amount of hot water to dissolve it(step1 ).On cooling beautiful
blue coloured crystals of copper sulphate got separated (step2)
a. The entire process is known as__
b. Step I and 2 are___ change
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Answer:
Both are physical changes
Explanation:
Dissolution of copper sulphate powder in water in presence of sulphuric acid is a physical change. On cooling this hot solution, cystals of copper sulphate separate out, which is also a physical change.
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