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- 1. Multiple ChoiceWhat type of chemical reaction is this one?
Al(OH)3 --> Al2O3 + H2ODecompositionCombustionSynthesisSingle Replacement - 2. Multiple ChoiceWhat type of chemical reaction is this one?
CuO + CO2 --> CuCO3DecompositionCombustionSynthesisSingle Replacement - 3. Multiple ChoiceWhat type of chemical reaction is this one?
Mg + O2 --> MgODecompositionCombustionSynthesisSingle Replacement - 4. Multiple ChoiceWhat type of chemical reaction is this one?
Ca + MgCl2 --> CaCl2 + MgDecompositionCombustionSynthesisSingle Replacement - 5. Multiple ChoiceWhat type of chemical reaction is this one?
C2H2 + O2 --> CO2 + H2ODecompositionCombustionSynthesisSingle Replacement - 6. Multiple ChoicePredict the products for the this reaction:
K + HCl -->KCl + H2KHClKH + Cl2KCl + H - 7. Multiple ChoicePredict the products for the this reaction:
Mg + CuCl2 -->MgCl2 + CuMgCl + CuMgCu + Cl2CuMg + Cl2 - 8. Multiple ChoicePredict the products for the this reaction:
AgNO3 + KCl -->AgCl + KNO3AgK + ClNO3AgNO3 + KClKAg + NO3Cl - 9. Multiple ChoiceWhat type of reaction is this?
2 C6H14 + 19 O2 --> 12 CO2 + 14 H2OSingle ReplacementDouble ReplacementCombustionDecomposition - 10. Multiple ChoiceWhat type of chemical reaction is this one?
Ca + MgCl2 --> CaCl2 + MgDecompositionCombustionSynthesisSingle Replacement - 11. Multiple ChoiceWhat type of chemical reaction is this one?
Al(OH)3 --> Al2O3 + H2ODecompositionCombustionSynthesisSingle Replacement - 12. Multiple ChoiceName this reaction:
CO2 + H20 --> H2CO3DecompositionSingle ReplacementSynthesisCombustion - 13. Multiple ChoiceName this reaction:
Cl2 + KI --> I2 + 2KClSynthesisSingle ReplacementDouble ReplacementDecomposition - 14. Multiple ChoiceWhat is the name for the solid formed during a reaction?PrecipitateRocksBubblesAqueous
- 15. Multiple ChoiceWhat type of reaction has one reactant that forms two or more products?DecompositionSynthesisCombustionSingle Replacement
- 16. Multiple Choice
What is the large 2 in front of oxygen called?SubscriptSuperscriptCoefficientExponent - 17. Multiple ChoiceWhat is a yield?The arrow in an equation that represents the chemical reaction.The beginning substances.
- 18. Multiple ChoiceWhich problem is balanced?PbO2 + 2H2So2 + H20 --> H2SO42Na + 2H2O --> 2NaOH + H2
- 19. Multiple ChoiceWhat is a coefficient?The small number on the right of the chemical symbol.The large number to the left of a formula.
- 20. Multiple ChoiceA replacement occurs when...Two formulas combine.A formula breaks apart.An atom is replaced during a reaction.
- 21. Multiple ChoiceIn a chemical equation, is it true that -the reactant side and product side can have different numbers of atoms for each elementthere can be different elements on the reactant side and the product sidean element or compound must be accompanied by a phase changethe coefficients indicate the number of molecules of each reactant used and the number of molecules of each product made
- 22. Multiple ChoiceWhich of the following models best demonstrates a balanced chemical equation?FGHJ
- 23. Multiple ChoiceThe reactants are on the left side of the chemical equation.TrueFalse
- 24. Multiple ChoiceIn which of these compounds are there twice as many oxygen atoms as hydrogen atoms?H3PO4H2SO4HCIO3H20
- 25. Multiple ChoiceIs this balanced?...
Fe + S --> FeSYES!NO! - 26. Multiple ChoiceIs this balanced?...
Al + O2 --> 2Al2O3Yes!NO! - 27. Multiple ChoiceHow many O's are in Al₂(SO₄)₃412724
- 28. Multiple ChoiceMg + ___ HCl → MgCl2 + H21234
- 29. Multiple ChoiceHow many elements are in H2O?1234
- 30. Multiple ChoiceIn a chemical reaction, bonds are broken and new bonds are formed that create new substances. The bonds that are broken are called what?ReactantsProductsAtomsCatalysts
- Answer choicesTagsAnswer choicesTags