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WorksheetsSynthesis and Decomposition
Total questions: 15
Worksheet time: 17mins
What type of chemical reaction is this one?
N2O5 + H2O ---> 2HNO3
Decomposition
Combustion
Synthesis
Single Replacement
Which of the following is an example of synthesis?
2Na + Br2 → 2NaBr
KClO3 → KCl + O2
HgO + Cl2 → HgCl + O2
Cl2 + NaBr → NaCl + Br2
This chemical equation below is an example of what type of reaction?
2MgO → 2Mg + O2
decomposition reaction
synthesis reaction
combustion reaction
Marvin the Martian reaction
Choose the balanced chemical equation for the formation of iron (III) oxide.
2Fe + O2 → 2FeO2
Fe + O2 → FeO2
4Fe + 3O2 → 2Fe2O3
4Fe + O2 → 2FeO2
2Mg + O2 → 2MgO
A metal oxide plus water will combine to produce__________.
metal hydroxide
an oxyacid
binary compound
nonmetal hydroxide
A metallic carbonate decomposes to yield _________ + ________
metal oxide and water
metal oxide and carbon dioxide
metal chloride and oxygen gas
metal oxide and oxygen gas
An oxyacid decomposes to form a nonmetal oxide and ______
carbon dioxide
a base
water
sulfate
HgO will decompose to produce __________ + ___________
Hg + H2O
Hg + OH
Hg + CO2
Hg + O2
NaHCO3 decomposes into carbon dioxide, water and _______?
NaH
Na2O
NaC
NaOH
