Test Your Knowledge On Chemical Reaction
Take this quiz to learn more Chemical Reaction
- 1.The process in which one or more substances change to make one or more new substances is called?
- A.
Chemical change
- B.
Chemical reaction
- C.
Chemical process
- D.
Chemical explosion
- 2.How can you tell when a chemical reaction is taking place? (check all that apply)
- A.
A gas forms
- B.
Substance turns to a liquid
- C.
Energy is given off
- D.
There is a color change
- 3.The __________________________________________ says that mass cannot be created or destroyed.
- 4.Is the chemical equation balanced? Na + Cl2 -------------------> NaCl
- A.
Yes
- B.
No
- 5.Is the chemical equation balanced? 3Mg + N2 -------------> Mg3N2
- A.
Yes
- B.
No
- 6.CO2(g) + H2O(l) → H2CO3(aq)
- A.
Synthesis
- B.
Decomposition
- C.
Single displacement
- D.
Double displacement
- 7.2 Na(s) + Cl2(g) → 2NaCl(s)
- A.
Synthesis
- B.
Decomposition
- C.
Single displacement
- D.
Double displacement
- 8.Cl2(g) + 2NaBr(aq) → 2NaCl(aq) + Br2(l)
- A.
Synthesis
- B.
Decomposition
- C.
Single displacement
- D.
Double displacement
- 9.2NaCl(l) → 2Na(s) + Cl2(g)
- A.
Synthesis
- B.
Decomposition
- C.
Single displacement
- D.
Double displacement
- 10.Zn(s) + 2HCl(aq) → ZnCl2(aq) + H2(g)
- A.
Synthesis
- B.
Decomposition
- C.
Single displacement
- D.
Double displacement
- 11.2KClO3(s) → 2KCl(s) + 3O2(g)
- A.
Synthesis
- B.
Decomposition
- C.
Single displacement
- D.
Double displacement
- 12.CaCO3(s) → CaO(s) + CO2(g)
- A.
Synthesis
- B.
Decomposition
- C.
Single displacement
- D.
Double displacement
- 13.2Mg(s) + O2(g) → 2MgO(s)
- A.
Synthesis
- B.
Decomposition
- C.
Single displacement
- D.
Double displacement
- 14.Ba(NO3)2(aq) + K2SO4(aq) --> BaSO4(s) + 2KNO3(aq)
- A.
Synthesis
- B.
Decomposition
- C.
Single displacement
- D.
Double displacement
- 15.Fe(s) + CuSO4(aq) → FeSO4(aq) + Cu(s)
- A.
Synthesis
- B.
Decomposition
- C.
Single displacement
- D.
Double displacement
- 16.C(s) + O2(g) → CO2(g)
- A.
Synthesis
- B.
Decomposition
- C.
Single displacement
- D.
Double displacement
- 17.2P(s) + 3Cl2(g) → 2PCl3(g)
- A.
Synthesis
- B.
Decomposition
- C.
Single displacement
- D.
Double displacement
- 18.H2SO4 → H2O(l) + SO3(g)
- A.
Synthesis
- B.
Decomposition
- C.
Single displacement
- D.
Double displacement
- 19.Ca(OH)2(s) → CaO(s) + H2O(g)
- A.
Synthesis
- B.
Decomposition
- C.
Single displacement
- D.
Double displacement
- 20.3CuSO4 + 2 FeCl3 3CuCl2 + Fe2(SO4)3
- A.
Synthesis
- B.
Decomposition
- C.
Single displacement
- D.
Double displacement
- 21.The breaking down of a compound into simpler substances is
- A.
Displacement
- B.
Synthesis
- C.
Decomposition
- D.
Endothermic
- 22.Which of the following types of reactions results in a single product?
- A.
A synthesis reaction
- B.
A decomposition reaction
- C.
A combustion reaction
- D.
A single replacement reaction
- E.
A double replacement reaction
- 23.What coefficients would balance the following equation?Sr + H2O → Sr(OH)2 + H2
- A.
1, 4, 2, 2
- B.
2, 4, 2, 4
- C.
1, 2, 1, 1
- D.
It is already balanced
- 24.Which of the following is NOT an observable clue that a chemical reaction has occurred?
- A.
Release of a gas
- B.
Odor change
- C.
Precipitate formation
- D.
Mixing two reactants
- 25.An insoluble substance formed from two solutions is a
- A.
Reactant
- B.
Precipitate
- C.
Compound
- D.
Product
Questions: 12 | Attempts: 11191 | Last updated: Apr 6, 2021
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