जब लोहे की कील को कॉपर सल्फेट विलयन में रखा जाता है
तो कॉपर सल्फेट का रंग हो जाता है-
Answers
Answered by
1
when iron keep in copper sulphate it take blue colour
Answered by
2
its colour become blue then it change into green in presence of FeSO4
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