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- 1. Multiple ChoiceWhat is the left part of a chemical equation called?
2H2 + O2 --> 2H2OReactantsProductsYieldsChemical Equation - 2. Multiple ChoiceWhat is the right part of a chemical equation called...
2H2 + O2 --> 2H2OReactantsProductsYieldsChemical Equation - 3. Multiple ChoiceHow many atoms of carbon (C) are in C6H12O6?361224
- 4. Multiple ChoiceHow many Aluminum are in Al2O3?325
- 5. Multiple Choice
Magnesium can be burned in air to produce solid magnesium oxide.2Mg(s) + O2(g)→ 2MgO(s)Mg(s) + O(g) → MgO(s)2Mg(s) + CO2(g) → 2MgO(s) + C(s)2Mg(s) + O2(g) → Mg2O2(s) - 6. Multiple ChoiceSodium reacts with chlorine to produce sodium chloride.NaCl(s) → Cl(g) + Na(s)Na(s) + CO2(g) → NaCO2(s)2Na(s) + Cl2(g) → 2NaCl(s)Na(s) + Cl(g) → NaCl
- 7. Multiple ChoiceIron reacts with sulfur to produce iron(II) sulfide powder.2Fe(s) + S(s) → Fe2S(s)Fe(s) + S(s) → FeS(s)Fe(s) + S(g) → FeS(s)4Fe(s) + S2(g) → 2Fe2S
- 8. Multiple ChoiceWhen hydrogen reacts with sulfur, a smelly gas is produced:H2(g) + 2S(s) → 2HSH2(g) + S(s) → H2S(g)H(g) + S(s) → HS(g)2H(g) + S(s) → H2S(g)
- 9. Multiple Choice
Predict the products for the decomposition of calcium carbonate: CaCO3
CaO + CO2
Ca + CO3
CaCO2 + O2
CaO + CO3
- 10. Multiple ChoiceWrite a complete balanced reaction for the following.
Calcium metal reacts with oxygen gas to form a solid2 Ca (s) + O2 (g) --> 2 CaO (s)2 Ca (s) + 2 O (g) --> 2 CaO (s)Ca (s) + O2 (g) --> 2 CaO (s)Ca (s) + O2 (g) --> CaO2 (s) - 11. Multiple ChoiceBalance this equation.
_Mg + _Cl2 --> _MgCl21, 2,1already balanced2,1,11,1,2 - 12. Multiple ChoiceWhat is the TYPE of reaction when a metal reacts with oxygendisplacementprecipitationreductionoxidation
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