Class 12ChemistryGeneral Principles and Processes of Isolation of ElementsMix Examples of General Principles and processes of Isolation of Elements
MediumWhat is the approximate ratio of roasted ore,coke and limestone respectively in the charge to be added into the blast furnace for the extraction of iron?
- A$5: 12: 3$
- B$12: 3: 5$
- C$12: 5: 3$
- D$5: 3: 12$
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Similar Questions
Match 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 among the following is a nonferrous alloy?
Which one of the following reactions does not occur during the extraction of copper?
DifficultJEE MAIN 2023
View SolutionMatch items of Column-$I$ with the items of Column-$II$ and assign the correct code :
Column $I$ Column $II$ $A$. Cyanide process $i$. Ultrapure $Ge$ $B$. Froth floatation $ii$. Dressing of $ZnS$ $C$. Electrolytic reduction $iii$. Extraction of $Al$ $D$. Zone refining $iv$. Extraction of $Au$ $v$. Purification of $Ni$
| Column $I$ | Column $II$ |
| $A$. Cyanide process | $i$. Ultrapure $Ge$ |
| $B$. Froth floatation | $ii$. Dressing of $ZnS$ |
| $C$. Electrolytic reduction | $iii$. Extraction of $Al$ |
| $D$. Zone refining | $iv$. Extraction of $Au$ |
| $v$. Purification of $Ni$ |
MediumNEET 2016
View SolutionThe alloy,which contains $95 \%$ aluminium and small amounts of copper,magnesium and manganese is . . . . . .
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