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प्रश्न
Why are the metals like Na, K, Ca and Mg never found in their free state in nature?
उत्तर
Sodium, potassium, calcium and magnesium are most reactive metals (placed at the top in the reactivity series). Due to their high reactivities, they are never found as free elements. They are always found in combined form.
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संबंधित प्रश्न
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