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- 1. Multiple ChoiceA decomposition reaction can be represented as _____________________.AB → A + BA + B → ABAB + CD → AC + BDA + BC → B + AC
- 2. Multiple ChoiceA chemical change in which a single compound breaks down into two or more simpler products is called a ______________________.single-replacement reactionsynthesis reactiondouble-replacement reactiondecomposition reaction
- 3. Multiple ChoiceThis chemical equation for mercury oxide is an example of what type of reaction?
2HgO → 2Hg + O2decomposition reactionsynthesis reactioncombustion reactionMarvin the Martian reaction - 4. Multiple ChoiceChoose the balanced chemical equation for the formation of iron oxide.2Fe + O2 → 2FeO2Fe + O2 → FeO24Fe + 3O2 → 2Fe2O34Fe + O2 → 2FeO2
- 5. Multiple ChoiceA chemical change in which two or more substances react to form a new substance is a ____________________________.decomposition reactionsynthesis reactiondouble displacement reactioncombustion reaction
- 6. Multiple ChoiceA synthesis reaction can be represented as ________________________.AB + CD → AC + BDAB → A + BA + B → ABA + BC → B + AC
- 7. Multiple ChoiceThis chemical equation for magnesium oxide is an example of what type of reaction?
2Mg + O2 → 2MgOdecomposition reactionsynthesis reactionsingle displacement reactioncombustion reaction - 8. Multiple ChoiceWhich of the following is an example of synthesis?Na + Br2 --> NaBrKClO3 --> KCl + O2HgO + Cl2-->HgCl + O2Cl2 + NaBr --> NaCl + Br2
- 9. Multiple ChoiceWhich chemical reaction breaks down into 2 substances?Double displacementSingle displacementSynthesisDecomposition
- 10. Multiple ChoiceWhat type of chemical reaction is this one?
C2H2 + O2 --> CO2 + H2ODecompositionCombustionSynthesisSingle Replacement - Answer choicesTagsAnswer choicesTags