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प्रश्न
The valency of calcium is 2. Write the valencies of other radical in the following :
- CaO
- Ca(OH)2
- CaC03
- CaCl2
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उत्तर
- O= 2
- OH = 1
- CO3 = 2
- Cl = l
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संबंधित प्रश्न
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