D-And F-Block Elements Ques 148
Question: The alloy of steel that is used in making automobile parts and utensils
[EAMCET 1979; MP PMT 1992]
Options:
A) Stainless steel
B) Nickel steel
C) Tungstun steel
D) Chromium steel
Show Answer
Answer:
Correct Answer: A
Solution:
Stainless steel is not corroded by air, moisture and small change in pH.
Made up of $ \underset{82percent}{\mathop{Fe}},, $ $ \underset{7percent}{\mathop{N}}, $ and $ \underset{11percent}{\mathop{Cr}}, $ .
