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Which of the following has conductivity and appearance like that of copper metal?
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View SolutionDescribe the preparation of potassium permanganate. State its physical properties,structure,and uses. Discuss its chemical properties and provide chemical reactions demonstrating the oxidizing character of $KMnO_{4}$.
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View SolutionWhich of the following imparts green colour to the glass?
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View SolutionWhich Lanthanoid compound is used as a pigment?
Match the aqueous solutions given in List-$I$ with their colors given in List-$II$:
List-$I$ (Aqueous solution of salt) List-$II$ (Color) $A$. $FeSO_4 \cdot 7H_2O$ $i$. Green $B$. $NiCl_2 \cdot 4H_2O$ $ii$. Pale pink $C$. $MnCl_2 \cdot 4H_2O$ $iii$. Blue $D$. $CoCl_2 \cdot 6H_2O$ $iv$. Light green $E$. $Cu_2Cl_2$ $v$. Pink $vi$. Colorless
| List-$I$ (Aqueous solution of salt) | List-$II$ (Color) |
| $A$. $FeSO_4 \cdot 7H_2O$ | $i$. Green |
| $B$. $NiCl_2 \cdot 4H_2O$ | $ii$. Pale pink |
| $C$. $MnCl_2 \cdot 4H_2O$ | $iii$. Blue |
| $D$. $CoCl_2 \cdot 6H_2O$ | $iv$. Light green |
| $E$. $Cu_2Cl_2$ | $v$. Pink |
| $vi$. Colorless |
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