What color is copper sulphate solution?

硫酸铜溶液是什么颜色？

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More ammonium sulphate solution is being recovered in the process of distilling oil shale.

在提炼油页岩的过程中回收的硫酸铵液比过去多了。

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Thereby, a nickel sulphate solution is formed from which nickel sulphide precipitates and dissolves under pressure in sulphuric acid.

镍可通过进一步的处理从此溶液中提炼出来。

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Remember those chemistry lessons spent sticking electrodes into copper sulphate solution?

ECONOMIST: Dr Chen and the philosopher��s stone