Class 12ChemistryGeneral Principles and Processes of Isolation of ElementsMix Examples of General Principles and processes of Isolation of Elements
MediumRailway wagon axles are made by heating rods of iron embedded in charcoal powder. The process is known as
- ACase hardening
- BSheradizing
- CAnnealing
- DTempering
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Similar Questions
Identify the reaction,which is not related to the extraction of copper.
The percentage of silver in 'German silver' is:
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 SolutionSteel is manufactured from
Easy
View SolutionSteel contains
Easy
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