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Question
Name the following compounds. Also write the symbols/formulae of the ions present in them :
- CuSO4
- (NH4)2SO4
- Na2O
- Na2CO3
- CaCl2
Solution
- Copper sulphate (Copper ion – Cu2+ and Sulphate ion – SO42−)
- Ammonium sulphate (Ammonium ion −NH4+ and Sulphate ion −SO42−)
- Sodium oxide (Sodium ion −Na+ and Oxygen ion −O2−)
- Sodium carbonate (Sodium ion −Na+ and Carbonate ion −CO32−)
- Calcium chloride (Calcium ion −Ca2+ and Chloride ion −Cl−)
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