Class 12ChemistryGeneral Principles and Processes of Isolation of ElementsMix Examples of General Principles and processes of Isolation of Elements
DifficultIn the leaching of $Ag_2S$ with $NaCN$,a stream of air is also passed. It is because of
- Areversible nature of reaction between $Ag_2S$ and $NaCN$
- Bto oxidize $Na_2S$ formed into $Na_2SO_4$ and sulphur
- Cboth $(A)$ and $(B)$
- Dnone of the above
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Similar Questions
Metallurgy is the process of
Easy
View SolutionMatch List-$I$ with List-$II$.
List-$I$ (Industrial process) List-$II$ (Application) $(a)$ Haber's process $(i)$ $HNO_{3}$ synthesis $(b)$ Ostwald's process $(ii)$ Aluminium extraction $(c)$ Contact process $(iii)$ $NH_{3}$ synthesis $(d)$ Hall-Heroult process $(iv)$ $H_{2}SO_{4}$ synthesis
Choose the correct answer from the options given below:
| List-$I$ (Industrial process) | List-$II$ (Application) |
| $(a)$ Haber's process | $(i)$ $HNO_{3}$ synthesis |
| $(b)$ Ostwald's process | $(ii)$ Aluminium extraction |
| $(c)$ Contact process | $(iii)$ $NH_{3}$ synthesis |
| $(d)$ Hall-Heroult process | $(iv)$ $H_{2}SO_{4}$ synthesis |
Choose the correct answer from the options given below:
Solder is an alloy of
Steel contains
Easy
View SolutionWhich among the following is a nonferrous alloy?
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