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- 1. Multiple ChoiceWhich of the following represents a synthesis reaction?AB --> A + BA + BC --> AC + BA + B --> AB
- 2. Multiple ChoiceWhich of the following represents a decomposition reaction?AB --> A + BA + BC --> AC + BA + B --> ABPluto
- 3. Multiple ChoiceWhich of the following represents a single displacement reaction?AB --> A + BA + BC --> AC + BA + B --> AB
- 4. Multiple ChoiceWhich of the following must be equal on both sides of a chemical reactin to be considered balanced?MoleculesAtomsCoefficientsSubscripts
- 5. Multiple ChoiceWhat are the notations for solid, liquid, and gas in a chemical reaction?(s), (l), (g) respectively(g), (s), (l) respectively(l), (s), (g) respectively
- 6. Multiple ChoiceWhat is a precipitate?When substances fully dissolve in a solution.A solid formed afer a reaction and is insoluble in a solution.
- 7. Multiple ChoiceWhat notation is used to indicate that a substance is dissovled in water in a chemical reaction?(s)(d)(kg)(aq)
- 8. Multiple ChoiceUsing the activity series resource, which of the following listed elements is the most reactive?PbHgSnAu
- 9. Multiple ChoiceUsing the solubility patterns resource, which of the following ionic compounds is insoluble?BeCrO4MgCO3NaCl
- 10. Multiple ChoiceUsing the solubility patterns resource, which of the following ionic compounds is soluble?BaOH2HPO4AgCl
- 11. Multiple ChoiceIn the reaction 2NH3--> N2 + 3H2, what are the reactants?NitrogenHyddrogenNitrogen and HydrogenAmmonia
- 12. Multiple ChoiceWhat are the coefficients needed (from left to right) to balance the following reaction: Mg + HCl -->MgCl3 + H2?1,1,1,11,2,2,11,2,1,1
- 13. Multiple ChoiceClassify the type of reaction: 2C4H10 + 13O2 --> 8CO2 + 10H2OSingle DispalcementDouble DisplacementCombustionDecomposition
- 14. Multiple ChoiceClassify the type of reaction: 2Zn + O2--> 2ZnOSynthesisSingle DisplacementDecompositionCombustion
- 15. Multiple ChoiceClassify the type of reaction: 2AlBr3 + 3Cl2 --> 2AlCl3 + 3Br2Single DispalcementDouble DisplacementDecompositionCombustion
- 16. Multiple ChoiceUsing the activity series, will a reaction form in the reaction Al + CuCl2 -->?NRAlCu + Cl2AlCl2 + CuAl + Cl2 + Cu
- 17. Multiple ChoiceWhat are the coefficients needed to balance the combustion reaction of methane reacting with oxygen (CH4 + O2--> ?)2,2,2,21,2,2,21,2,1,21,1,2,2
- 18. Multiple ChoicePredict the products of the reaction between potassium iodide and lead (II) nitrate. What type of reaction is this and what are the products and the coefficients needed to balance the reaction?Double Displacement; KI + PbNO3; 1,1,1,1Double Displacement; KNO3 + PbI; 1,1,1,1Double Dispalcement; KPb + INO3; 1,1,1,1
- 19. Multiple ChoiceIf sodium chloride reacts with iron to formsodium and iron (II) chloride, what type of reaction is this and what are the coefficients needed to balance the reaction?Double Displacement; 2, 1, 2, 2Single Displacement; 2, 1, 2, 2Double Dispalcement; 2, 1, 2, 1Single Dispalcement; 2, 1, 2, 1
- 20. Multiple ChoiceWhat is a diatomic molecule?Molecules consisting of 2 of the same atomsMolecules consisting of different atomsMolecules with 3 atoms
- 21. Multiple ChoiceWhich of the following is NOT a diatomic molecule?Br2I2H2Na2
- 22. Multiple ChoiceWhen any diatomic molecule is presented in a chemical reaction, how should it be written in the chemical reaction?By their formal names, for example, OxygenBy their element symbol, for example IAs a diatomic molecule, for example, Br2
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