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- 1. Multiple Choice4Si + S8 --> 2Si2S4SynthesisDecompositionSingle displacementDouble displacement
- 2. Multiple Choice3Ca + 2AlCl3 --> 3CaCl2 + 2AlSynthesisDecompositionSingle diplacementDouble displacement
- 3. Multiple Choice3KOH + H3PO4 --> K3PO4 + 3H2OSynthesisDecompositionSingle displacementDouble displacement
- 4. Multiple Choice2Pb(NO3)2 --> 2PbO + 4NO2 + O2SynthesisDecompositionSingle displacementCombustion
- 5. Multiple Choice3Mg + N2 --> Mg3N2SynthesisDecompositionSingle displacementCombustion
- 6. Multiple Choice2NO2 --> N2 + 2O2SynthesisDecompositionSingle displacementCombustion
- 7. Multiple ChoiceP4 + 3O2 --> 2P2O3SynthesisDecompositionSingle displacementCombustion
- 8. Multiple ChoiceFe + H2SO4 --> Fe2(SO4)3 + H2Synthesis (combination)DecompositionSingle replacementCombustion
- 9. Multiple ChoiceWhich reaction type is the following: C5H10O4 + O2 --> CO2 + H2ODecompositionSingle ReplacementCombustionDouble Replacement
- 10. Multiple ChoiceWhich of the following is the general formula for a decomposition reaction?A + B → ABAB → A + BAB + C → AC + BAB + CD → AC + BD
- 11. Multiple ChoiceWhen balancing equations a ____ can be placed to the left of a formula of a substance to make the equations balancedchargesubscriptrandom numbercoefficient
- 12. Multiple ChoiceWhat coefficient should be used to make the following equation balanced?
N2+O2--> _NO1234 - 13. Multiple ChoiceBalance this equation:
__Li + __Cl2 -> __LiCl2Li + Cl2 -> 4LiCl22Li + Cl2 -> LiCl22Li + Cl2 -> 2LiCl - 14. Multiple ChoiceC4H12 + O2 --> CO2 + H2OSynthesisCombustionSingle ReplacementDouble Replacement
- 15. Multiple ChoiceH2SO4 + Fe -->H2 + FeSO4SynthesisDecompositionSingle ReplacementDouble Replacement
- 16. Multiple ChoicePbCl2 + AgNO3 ---> Pb(NO3)2 + AgClSynthesisDecompositionSingle ReplacementDouble Replacement
- 17. Multiple ChoiceNH3 + HCl ---> NH4ClSynthesisDecompositionSingle ReplacementDouble Replacement
- 18. Multiple ChoiceWhich chemical reaction switches 2 elements?Double ReplacementSingle ReplacementCombustionDecomposition
- 19. Multiple ChoiceWhich chemical reaction takes place when 2 substances react to form a single product?DecompositionDouble ReplacementSingle ReplacementSynthesis
- 20. Multiple ChoiceAt the end of chemical reactions, what is the total mass of the reactants compared to the total mass of the products?the product is doubledthe product is half the mass of the reactantsthe mass is the samethe mass changes depending on the reaction
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