NEET2009ChemistryGeneral Principles and Processes of Isolation of MetalsActual
Steel is heated to below red heat and then, cooled slowly. The process refers to
Options
- Ahardening
- Bannealing
- Ctempering
- Dnitriding
Correct answer
B. annealing
Step-by-step solution
The process of heating the steel to a temperature much below to redness and cooling it slowly, is called annealing.