(P) Stain less steel is an alloy of iron and copper (Q) Ainico can also be called as magnetic steel (R) German silver is an alloy of silver and nickel (S) Bell metal and gun metal are Iron-carbon alloys. 3

• A. (P)      (Q)     (R)     (S) False    True     False    False
• B. (P)     (Q)     (R)     (S) False    True    False    False        
• C. (P)     (Q)     (R)     (S) False    True     False    True
• D. (P)     (Q)     (R)     (S) True     False    False    True