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Chemistry, Science
10th -
12thgrade
Predicting Products of Chemical Reactions
21 questions
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- 1. Multiple ChoiceWhat are the products of this reaction?
Cu+ AgNO3-->Cu(NO3)2+AgCuNO3 + AgCuAg+NO3Cu+ AgNO3 - 2. Multiple ChoicePredict the products for the this reaction:
K + HCl -->KCl + H2KHClKH + Cl2KCl + H - 3. Multiple ChoiceWhich of the following equations represents the balanced synthesis reaction of iron (III) and oxygen?Fe + 3 O2 → Fe2O33 Fe + 3 O2 → 2 Fe2O32 Fe + O2 → Fe2O34 Fe + 3 O2 → 2 Fe2O3
- 4. Multiple ChoiceIf an element is diatomic it should have a subscript of___2, always2, only when it is by itselfit shouldn't have a subscript, it should have a coefficent
- 5. Multiple ChoiceWhat kind of reaction is this:
4Fe + 3O2 → 2Fe2O3SynthesisDecompositionSingle ReplacementDouble Replacement - 6. Multiple ChoiceWhat kind of reaction is this:
2H2O2 →2 H2O + O2SynthesisDecompositionSingle ReplacementCombustion - 7. Multiple ChoiceWhat kind of reaction is this:
Fe + CuSO4 -> Cu + FeSO4Double ReplacementDecompostionSingle ReplacementCombustion - 8. Multiple ChoiceWhat is the product when rubidium and oxygen gas react?RbO2Rb2ORbORb2O2
- 9. Multiple ChoicePredict the product(s): H2O -->H and OH2 and O2H and OH
- 10. Multiple ChoiceWhich of the following are PRODUCTS?
H2O + CO2 → HCO + HOH2O and CO2HCO and HOH2O ONLYHCO ONLY - 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 ChoiceClassify
Zn + H2S → ZnS + H2synthesiscombustionsingle replacementdouble replacement - 13. Multiple ChoiceWhich type of reaction takes place in the presence of oxygen and produces carbon dioxide and water?double replacementdecompositioncombustionsingle replacement
- 14. Multiple Choice
To determine whether a single replacement reaction will happen, one must consult
a lexicon
the activity series
a solubility chart
One Thousand Magical Herbs and Fungi by Phyllida Spore
- 15. Multiple Choice
Predict the product of the following synthesis reaction.
Ca + N2 -->
CaN2
CaN
Ca3N2
CaNNot
- 16. Multiple Choice
Predict the products, before balancing.
Co2(SO4)3 + NaOH -->
CoOH + NaSO4
CoNa + OH(SO4)3
Co2OH + Na(SO4)3
Co(OH)3 + Na2SO4
no reaction
- 17. Multiple Choice
Predict the products of the following decomposition reaction, before balancing.
HgO -->
Hg + O
Hg2 + O2
Hg + O2
Hg2 + O
- 18. Multiple Choice
What are the products for this combustion reaction:
C2H4 + 2 O2 -->
C2O2 + H4
CO2 + HOH
CO + H
CO2 + H2O
- 19. Multiple Choice
What is the charge of Iron in this compound. (Hint: think swap drop method):
Fe3(PO4)2
3+
2+
1+
6+
- 20. Multiple Choice
The symbol for a substance dissolved in solution is ______
(s)
(l)
(aq)
(g)
- 21. Multiple Choice
Predict the products for the this Double Replacement reaction:
AgNO3 + KCl →
AgCl + KNO3
AgK + ClNO3
KAg + NO3Cl
AgCl + 3 KNO
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