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प्रश्न
Find the odd one out and give its explanation.
विकल्प
Na
K
Cu
Li
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उत्तर
Cu
Explanation-
Copper (Cu) is a less reactive metal while others are highly reactive metals.
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संबंधित प्रश्न
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\[\ce{MnO2(s) + Al(s) -> Mn(l) + Al2O3(s) + Heat}\]
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