Class 12ChemistryGeneral Principles and Processes of Isolation of ElementsMix Examples of General Principles and processes of Isolation of Elements
MediumConcentrated sodium hydroxide can separate a mixture of
- A$Al^{3+}$ and $Cr^{3+}$
- B$Cr^{3+}$ and $Fe^{3+}$
- C$Al^{3+}$ and $Zn^{2+}$
- D$Zn^{2+}$ and $Pb^{2+}$
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Similar Questions
The statement that is $INCORRECT$ about Ellingham diagram is :
Which of the following is $NOT$ used for the extraction of $Al$?
Easy
View SolutionMatch List-$I$ with List-$II$:
List-$I$ (Property) List-$II$ (Element/compound) $I$. Explosive $A$. $Cu$ $II$. Self-reduction $B$. $Fe_3O_4$ $III$. Magnetic material $C$. $Cu(CH_3COO)_2 \cdot Cu(OH)_2$ $IV$. Verdigris $D$. $Pb(NO_3)_2$
| List-$I$ (Property) | List-$II$ (Element/compound) |
| $I$. Explosive | $A$. $Cu$ |
| $II$. Self-reduction | $B$. $Fe_3O_4$ |
| $III$. Magnetic material | $C$. $Cu(CH_3COO)_2 \cdot Cu(OH)_2$ |
| $IV$. Verdigris | $D$. $Pb(NO_3)_2$ |
Difficult
View SolutionWhich of the following statements is wrong?
Easy
View SolutionMatch the alloys in Column $A$ with their uses in Column $B$:
Column $A$ Column $B$ $(1)$ Stainless steel $(a)$ Riveting $(2)$ Bronze $(b)$ Making artifacts $(3)$ Nitinol $(c)$ Making coins $(4)$ German silver $(d)$ Making musical instruments $(e)$ Making surgical instruments
| Column $A$ | Column $B$ |
| $(1)$ Stainless steel | $(a)$ Riveting |
| $(2)$ Bronze | $(b)$ Making artifacts |
| $(3)$ Nitinol | $(c)$ Making coins |
| $(4)$ German silver | $(d)$ Making musical instruments |
| $(e)$ Making surgical instruments |
Easy
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