Chemistry - Metallurgy Question with Solution | TestHub
ChemistryMetallurgyMiscellaneous/MixedEasy2 minPYQ_2020
ChemistryEasysingle choice
The heating rods of iron embedded in charcoal powder are used to make railway wagon axles. The process is known as
Options:
Answer:
A
Solution:
Case hardening : The process of hardening the surface of wrought iron by depositing a surface layer of steel on it is called case-hardening it is done by heating wrought iron in contact with potassium ferrocyanide.
Alternatively, case hardening can also be done by heating wrought iron with charcoal and then plunging it a suitable oil.
Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:MetallurgySubtopic:Miscellaneous/Mixed
⏱ 2mℹ️ Source: PYQ_2020
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