Q92
Ferromagnetic alpha iron exists in temperature range of
A.
Below 723°C
AnswerB.
770 to 910°C
C.
910 to 1440°C
D.
1400 to 1539°C
Answer: Option A
Solution
Answer: Option A
Solution:
alpha iron is a component of steel and cast iron, conferring Ferromagnetism.the maximum solubility is at 727 °C