D-And F-Block Elements Ques 131

Question: Steel becomes soft and pliable by

[MP PET 1989]

Options:

A) Annealing

B) Nitriding

C) Tempering

D) Case hardening

Show Answer

Answer:

Correct Answer: A

Solution:

Annealing is a process of heating steel to redness followed by slow cooling



जेईई के लिए मॉक टेस्ट

एनसीईआरटी अध्याय वीडियो समाधान

दोहरा फलक