Class 12ChemistryGeneral Principles and Processes of Isolation of ElementsMix Examples of General Principles and processes of Isolation of Elements
EasyThe major components of German Silver are:
- A$Ge, Cu$ and $Ag$
- B$Zn, Ni$ and $Ag$
- C$Cu, Zn$ and $Ni$
- D$Cu, Zn$ and $Ag$
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One of the constituents of German silver is:
Consider the following:
Statement-$I$ : In the extraction of $Al$ by Hall-Heroult process,pure $Al_2O_3$ mixed with $Na_3AlF_6$ lowers its melting point and increases conductivity.
Statement-$II$ : Zirconium metal is purified by zone refining method.
Statement-$I$ : In the extraction of $Al$ by Hall-Heroult process,pure $Al_2O_3$ mixed with $Na_3AlF_6$ lowers its melting point and increases conductivity.
Statement-$II$ : Zirconium metal is purified by zone refining method.
In the equation: $M + 8CN^{-} + 2H_2O + O_2 \rightarrow 4[M(CN)_2]^- + 4OH^{-}$,metal $M$ is
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View SolutionMark the steel in which carbon percentage is highest.
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View SolutionWhich of the following is not correct?
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