RRB ટેકનિશિયન 2013 પ્રશ્ન 12
પ્રશ્ન: લોખંડનું સૌથી શુદ્ધ સ્વરૂપ છે
વિકલ્પો:
A) કાસ્ટ આયર્ન
B) પિગ આયર્ન
C) સ્ટીલ
D) રોટ આયર્ન
Show Answer
જવાબ:
સાચો જવાબ: D
ઉકેલ:
- ઉપલબ્ધ નથી
BETA
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