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प्रश्न
Find the odd one out and give its explanation.
पर्याय
Potassium
Magnesium
Calcium
Beryllium
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उत्तर
Potassium
Explanation-
Potassium is placed in group 1 while others are placed in group 2 of the modern periodic table.
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संबंधित प्रश्न
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