स्तंभ-I (मिश्र धातु) स्तंभ-II (तत्वों की संरचना) A. स्टील P. Cu और Sn B. पीतल Q. Cu और Zn C. कांसा R. Fe, C और Cr D. मैग्नैलियम S. Al और 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
सही उत्तर: B
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