धब्बारहित स्टील बनाने में – McqOptions

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1.	धब्बारहित स्टील बनाने में लोहे के साथ प्रयुक्त होने वाली महत्वपूर्ण धातु है -
A.	एल्युमीनियम
B.	क्रोमियम
C.	टिन
D.	कार्बन
Answer» C. टिन

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