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Question
Which of the following metals exist in their native state in nature?
- Cu
- Au
- Zn
- Ag
Options
(i) and (ii)
(ii) and (iii)
(ii) and (iv)
(iii) and (iv)
Solution
(ii) and (iv)
Explanation -
Silver and gold are noble metals and in nature, they exist in their free state and not in any combined state as ore.
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