Easy
Blister $Cu$ contains approximately ....... $\%$ $Cu$.
- A$60$
- B$90$
- C$98$
- D$100$
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Similar Questions
Match column $(I)$ (process) with column $(II)$ (electrolyte)
$(I)$ (process) $(II)$ (electrolyte) $(i)$. Downs cell $(W)$. fused $MgCl_2$ $(ii)$. Dow sea water process $(X)$. fused $(Al_2O_3 + Na_3AlF_6)$ $(iii)$. Hall-Heroult $(Y)$. fused $KHF_2$ $(iv)$. Moissan $(Z)$. fused $(40\% NaCl + 60\% CaCl_2)$
Choose the correct alternate :
| $(I)$ (process) | $(II)$ (electrolyte) |
| $(i)$. Downs cell | $(W)$. fused $MgCl_2$ |
| $(ii)$. Dow sea water process | $(X)$. fused $(Al_2O_3 + Na_3AlF_6)$ |
| $(iii)$. Hall-Heroult | $(Y)$. fused $KHF_2$ |
| $(iv)$. Moissan | $(Z)$. fused $(40\% NaCl + 60\% CaCl_2)$ |
Choose the correct alternate :
For the formation of which compound in the Ellingham diagram does $\Delta G^{\circ}$ become more and more negative with an increase in temperature?
MediumKCET 2023
View SolutionWhich of the following conditions favours the reduction of a metal oxide to metal?
Why is copper extracted from low-grade ores by hydrometallurgy?
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View SolutionHow is 'cast iron' different from 'pig iron'?
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