AnswersIA-Chemistry A Survey of Chemistry AWriting and Balancing Chemical Equations

Types of Reactions Answers

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Answers:
Selection 1:synthesis and combustion
Selection 2:double replacement
Selection 3:single replacement
Selection 4:decomposition only
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synthesisdecompositioncombustionsingle replacement✔ double replacement

Question illustration
A
synthesis
B
decomposition
C
combustion
D
single replacement
E
✔ double replacement
3

synthesisdecompositioncombustion✔ single replacement double replacement

Question illustration
A
synthesis
B
decomposition
C
combustion
D
✔ single replacement
E
double replacement
4

synthesis only✔ decomposition onlycombustion onlysynthesis and combustioncombustion and decomposition

Question illustration
A
synthesis only
B
✔ decomposition only
C
combustion only
D
synthesis and combustion
E
combustion and decomposition
5

Classify each of the following chemical reactions. synthesis onlydecomposition onlycombustion only✔ synthesis and combustioncombustion and decomposition

Question illustration
A
synthesis only
B
decomposition only
C
combustion only
D
✔ synthesis and combustion
E
combustion and decomposition
7

2Na + Cl2 ?

Question illustration
A
2NaCl
B
2NaCl2
C
Na2Cl
D
2NaO + Cl2
9

✔ yesno

Question illustration
A
✔ yes
B
no
11

Al + AgCl ?

Question illustration
A
AlCl3 + Ag
B
AlAg3 + Cl2
C
no reaction
D
AlCl + Cl
12

PbCl2 + MgSO4 ?

Question illustration
A
Pb + O2 + MgCl
B
PbMg + ClSO4
C
PbSO4 + MgCl2
D
Pb(SO4)2 + MgCl
13

AgNO3 + KCl ?

Question illustration
A
K + O2 + NCl
B
KNO3 + AgCl
C
AgK + ClNO3
D
K2NO3 + AgCl2
15

2MgO ?

Question illustration
A
2Mg + H2O
B
2Mg + O2
C
MgOH + O2
D
MgO + O2
19

?

Question illustration
A
Mg(OH)2 + Ca
B
no reaction
C
MgH2 + CaO
D
MgCa + H2O
20

Which product in the reaction forms a precipitate?

A
PbSO4
B
MgCl2
C
PbMg
D
no precipitate formed

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