CuSO4•5H2O massasu, 160 gr, 250gr, 100gr, 200gr, CuSO4 ning rangi, ko‘k, oq, yashil, qizil, CoCl2+NH3= xosil bo‘lgan modda rangi, qizil, ko‘k, yashil, sariq.

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恢復自動保存: ?