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प्रश्न
Which one of the following compounds is diamagnetic and colourless?
पर्याय
\[\ce{K2Cr2O7}\]
\[\ce{ZnSO4}\]
\[\ce{KMnO4}\]
\[\ce{Cr2(SO4)3}\]
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उत्तर
\[\ce{ZnSO4}\]
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