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प्रश्न
Which of the following pair of metals exists in their native state in nature?
पर्याय
Ag and Hg
Ag and Zn
Au and Hg
Au and Ag
MCQ
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उत्तर
Au and Ag
Explanation:
Gold (Au) and silver (Ag) are noble metals positioned at the very bottom of the electrochemical reactivity series. Because they are highly unreactive, they do not easily combine with environmental oxygen, moisture, or carbon dioxide to form mineral compounds. Consequently, they frequently occur in nature in their free, elemental, or native state.
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