آر آر بی ٹیکنیشن 2013 سوالات 12
سوال: آہن کی خالص ترین شکل ہے
اختیارات:
A) کاسٹ آئرن
B) پگ آئرن
C) اسٹیل
D) wrought iron
Show Answer
جواب:
صحیح جواب: D
حل:
- دستیاب نہیں
BETA
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