Q. Which one of the following is the most correct statement?

A) Brass is an interstitial alloy, while steel is a substitutional alloy
B) Brass is a substitutional alloy, while steel is an interstitial alloy
C) Brass and steel are both substitutional alloy
D) Brass and steel are both interstitial alloy
Explanation

(b)
Brass, Cu=80%, Zn = 20%, substitutional alloy
Brass is an interstitial alloy because it is an alloy of Fe with C, C atoms occupy the interstitial voids of Fe crystal

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.