स्तंभ-I (मिश्रधातू) स्तंभ-II (घटकांची रचना) A. स्टील P. Cu आणि Sn B. पितळ Q. Cu आणि Zn C. कांस्य R. Fe, C आणि Cr D. मॅग्नॅलियम S. Al आणि Mg
A) A-Q; B-R; C-P; D-S
B) A-R; B-Q; C-P; D-S
C) A-Q; B-R; C-S; D-P
D) A-R; B-Q; C-S; D-P
योग्य उत्तर: B
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