Consider the double displacement reaction of calcium nitrate with potassium sulfide. Which response identifies all of the products formed and no others?
1. CaSN and PO2
2. Ca and S and K and H2 O
3. CaSO2 and K3 N
4. None of the other answers is correct
5. CaSO3 and KNO2
6. CaSO3 and KNO3
7. CaSO4 and PNO3
8. CaS and KNO3
9. CaN3 and K2O and SO2
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