| 1 | Nobel metals | [A] | Neon, argon and helium |
| 2 | Halogen family | [B] | Steel, brasses and bronze |
| 3 | Nobel gasses | [C] | Platinum, gold and silver |
| 4 | Alloys | [D] | Chlorine, bromine and iodine. |
A) 1-C, 2-A, 3-D, 4-B
B) 1-C, 2-D, 3-A, 4-B
C) 1-B, 2-D, 3-A, 4-C
D) 1-C, 2-B, 3-A, 4-D
E) None of these
Correct Answer: B
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