Class 12 Chemistry General Principles and Processes of Isolation of Elements Reduction to free Metal

Easy

Case hardening is a process of heating steel in an atmosphere of:

A
Carbon dioxide
B
Ammonia
C
Charcoal
D
Oxygen

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Class 12 Questions

Class 12

Chemistry Questions

Chapter

General Principles and Processes of Isolation of Elements

Subtopic

Reduction to free Metal

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