Grade 7, Chemistry question
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4
3. +1 and +2
4. +2 and +3
5. (CO3)2-
6. (HCO3)1-
7. (NO3)1-
8. (SO4)2-
9. Symbol
10. Molecular Formula
11. Heterogeneous
12. Valency
4. +2 and +3
5. (CO3)2-
6. (HCO3)1-
7. (NO3)1-
8. (SO4)2-
9. Symbol
10. Molecular Formula
11. Heterogeneous
12. Valency
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0
3. +1 and +2
4. +2 and +3
5. (CO3)2-
6. (HCO3)1-
7. (NO3)1-
8. (SO4)2-
9. Symbol
10. Molecular Formula
11. Heterogeneous
12. Valency
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