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प्रश्न
Write the radical of the following valency:
Calcium
पर्याय
1+
2+
3+
1−
2−
3−
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उत्तर
2+
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संबंधित प्रश्न
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State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
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