Solid State Question 90

Question: Which one of the following is the most correct statement

Options:

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 alloys

D) Brass and steel are both interstitial alloys

Show Answer

Answer:

Correct Answer: C

Solution:

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