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Worksheets

Sci 9 Sem 2-1 SG

Total questions: 133

Worksheet time: 5hrs 29mins

Name
Class
Date
1.
The red numbers in the image below represent ________
a)
subscripts
b)
coefficients
c)
I don't know, and don't want to try
d)
None of the answers are correct
2.
The blue numbers in the image below represent ________
a)
I don't know, and don't want to try
b)
coefficients
c)
subscripts
d)
none of the answers are correct
3.
The substances at the beginning of a chemical equation are called the ____
a)
product
b)
yield
c)
chemical symbol
d)
reactants
4.
In the equation,          2Mg + O2 ---> 2MgO, which are the reactants?
a)
Mg and O
b)
MgO
c)
Mg and MgO
d)
O and MgO
5.
In a chemical reaction, everything to the rightof the arrow is called ______________.
a)
Products
b)
Yields
c)
Molecules
d)
Reactants
6.

Balance this equation.

_CF4 + _Br2 -- _CBr4 + _F2

a)

2,1,2,1 anionic single displacement

b)

1,2,2,1 synthesis

c)

1,2,1,2 anionic single displacement

d)

2,2,2,2 cationic single displacement

7.
Which coefficients balance this equation:
NH3  +  O2 ---->   NO  + H2O
a)
2,3,5,6
b)
5,5,4,6
c)
4,6,4,5
d)
4,5,4,6
8.

Balance this equation.

_CH4 + _O2 --> _CO2 + _H2O

a)

1,2,1,1 single displacement

b)

2,1,2,1 double displacement

c)

1,2,1,2 hydrocarbon combustion

d)

0,2,0,2 double displacement

9.

Balance this equation-

_SeCl6+_O2 ->_SeO2+_Cl2

a)

1,2,1,2 anionic single displacement

b)

1,1,1,3 anionic single displacement

c)

1,2,1,1 cationic single displacement

d)

2,1,1,1 double displacement

10.

Balance this equation

_Al +_HCl --> _H2 +_AlCl3

a)

2, 6, 3, 2 , cationic single displacement

b)

it is already balanced

c)

4, 12, 3, 4, anionic single displacement

d)

2, 1, 4, 5 double displacement

11.
Which of the following is an example of synthesis?
a)
Na + Br2 --> NaBr
b)
KClO3 --> KCl + O2
c)
HgO + Cl2-->HgCl + O2
d)
Cl2 + NaBr --> NaCl + Br2
12.
Which of the following is an example of decomposition?
a)
Na + Br2 --> NaBr
b)
KClO3 --> KCl + O2
c)
HgO + Cl2-->HgCl + O2
d)
Cl2 + NaBr --> NaCl + Br2
13.
Write a complete balanced reaction for the following.
Liquid butane, C4H8, is burned in the presence of gaseous oxygen.
a)
C4H8 (l) + 6 O2 (g) --> 4 CO2 (g) + 4 H2O (g)
b)
C4H8 (l) + 12 O (g) --> 4 CO2 (g) + 4 H2O (g)
c)
C4H8 (l) + 12 O2 (g) --> 4 CO2 (g) + 4 H2O (g)
d)
C4H8 (l) + 5 O2 (g) --> 4 CO2 (g) +  O2 (g) + 4 H2 (g)
14.
Write a complete reaction for the following.  The equation does NOT have to be balanced.
Gaseous nitrogen dioxide reacts with liquid water to form two aqueous acids.
a)
NO2 (g) + H2O (l) → HNO3 (aq) + HNO2 (aq)
b)
NO2 (g) + H2O (l) → HNO3 (aq)
c)
NO2 (g) + H2O (l) → HNO2 (aq)
d)
N2O (g) + H2O (l) → HNO3 (aq) + HNO2 (aq)
15.

Write a complete reaction for the following.

Solid iron (III) oxide decomposes.

a)

2 Fe2O3 (s) → 4 Fe (s) + 3 O2 (g) (decomposition)

b)

Fe2O3 (s) → 2 Fe (s) + 3 O (g) (combustion)

c)

2 FeO (s) → 2 Fe (s) + O2 (single replacement)

d)

Fe3O2 (s) → 3 Fe (s) + O2 (synthesis)

16.

Write a complete reaction for the following.

Nitrogen gas reacts with hydrogen gas.

a)

N2 (g) + 3 H2 (g) → 2 NH3 (g)

b)

N2 (g) + 4 H2 (g) → 2 NH4 (g)

c)

N (g) + H (g) → NH (g)

d)

N2 (g) + H2 (g) → 2 NH (g)

17.

Write a complete reaction for the following.

Solid magnesium oxide reacts with gaseous carbon dioxide.

a)

MgO (s) + CO2 (g) → MgCO3 (s) (synthesis reaction )

b)

Mg2O2 (s) + 2 CO2 (g) → 2 MgCO3 (s) (decomposition reaction)

c)

MgO (s) + CO (g) → MgCO2 (s) (combustion reaction)

d)

MgO2 (s) + CO2 (g) → MgCO4 (s) (synthesis reaction )

18.
What type of chemical reaction is this one?
Al(OH)3 --> Al2O3  + H2O
a)
Decomposition
b)
Combustion
c)
Synthesis
d)
Single Replacement 
19.

C4H10 + O2--> CO2 + H2O

a)

1,8,4,5 hydrocarbon combustion

b)

1,13,4,5 anionic single displacement

c)

2,13,8,10, hydrocarbon combustion

d)

1,13, 8, 10 anionic single displacement

20.

Sodium phosphate in solution reacts with silver nitrate solution to produce sodium nitrate solution a silver phosphate precipitate.

a)

NaPO4(aq) + AgNO3(aq) --> NaNO3(aq) + AgPO4(s) single displacement

b)

Na3P (aq) + Ag3N (aq) --> Na3N (aq) + Ag3P (s) double displacement

c)

Na3PO4(aq) + 3AgNO3(aq) --> 3NaNO3(aq) + Ag3PO4 (s) double displacement

d)

NaP + AgN --> NaN + AgP synthesis

21.
Is this equation balanced?
a)
yes
b)
no
c)
Not enough information
22.
Is this equation balanced?
a)
yes
b)
no
c)
Not enough information
23.
PCl5  +  ___ H2O  →  ___ HCl  +   H3PO4
a)
4, 5
b)
1, 6
c)
3, 8
d)
2,2
24.
__ Al  +  __ FeO  →  Al2O2  +  __ Fe
a)
1, 1, 2
b)
2,1,2
c)
2, 2, 2
d)
2,4,2
25.
 Mg  +  ___ HCl  →   MgCl2  +   H2
a)
1
b)
2
c)
3
d)
4
26.
Which problem is balanced?
a)
PbO2 + 2H2
b)
SO2 + H20 --> H2SO4
c)
2Na + 2H2O --> 2NaOH + H2
27.
Is the equation balanced?: 2H2O + O2 --> 4MgO + 3Fe
a)
Yes
b)
No
28.
How would this equation be classified?
O2 + 2H2 --> 2H2O 
a)
Synthesis
b)
Decomposition
c)
Combustion
d)
Single Displacement
29.
Balance this equation:
MgCl2 --> Mg4+ Cl2
a)
It's already balanced.
b)
4MgCl2 --> Mg4+ 4Cl2
c)
4MgCl2 --> Mg4+ 5Cl2
30.
Balance this equation:
FeS + 2HCl -->
FeCl2 + H2O
a)
FeS2 + 2HCl --> FeCl2 + H2O
b)
It's already balanced
c)
FeS2 + 2HCl --> FeCl2 + H4O
d)
None of these
31.
Balance this equation:
 2Li + Cl2 -> LiCl
a)
2Li + Cl2 -> 4LiCl2
b)
2Li + Cl2 -> LiCl2
c)
2Li + Cl2 -> 2LiCl
32.

What is the right ratio of chemicals for the balanced chemical equation?

__Ca + __H2O --> __Ca(OH)2 + __H2

a)
2,1 --> 2,1
b)
1,2 --> 1,1
c)
1,2 --> 2,4
d)
1,2 --> 2,1
33.

What is the right ratio of chemicals for the balanced chemical equation?__Na + __H2O --> __NaOH + __H2

a)
2,2 --> 2,1
b)
4,4 --> 4,1
c)
1,2 --> 2,4
d)
1,2 --> 2,1
34.

Balance the following equation:

___ H2+ ___ O2→___ H2O

a)

1, 1, 3

b)

2, 2, 2

c)

1, 2, 1

d)

2,1, 2

35.
What is the right ratio of chemicals for the BCE (Balanced Chemical Equation)?__CH4 + __O2 --> __CO2+ __H2O
a)
2,1 --> 2,1
b)
1,2 --> 1,1
c)
1,2 --> 1,2
d)
1,2 --> 2,1
36.

What is the right ratio of chemicals for the balanced chemical equation?

__AgNO3 + __H2S --> __Ag2S+ __HNO3

a)
2,1 --> 1,2
b)
1,2 --> 1,1
c)
1,2 --> 1,2
d)
1,2 --> 2,1
37.

What is the right ratio of chemicals for the balanced chemical equation?

__H2 + __S --> __H2S

a)
1,1 --> 1
b)
2,2 --> 2
c)
1,2 --> 1
d)
1,2 --> 2
38.

What is the right ratio of chemicals for the balanced chemical equation?

__H2SO3 + __KOH--> __H2O+ __K2SO3

a)
2,1 --> 2,1
b)
1,2 --> 1,1
c)
1,2 --> 1,2
d)
1,2 --> 2,1
39.

What is the right ratio of chemicals for the balanced chemical equation?

__MnO2 + __HCl --> __MnCl2 + __H2O __Cl2

a)
4,1 --> 2,1,2
b)
1,2 --> 1,1,4
c)
1,4 --> 1,2,1
d)
1,4 --> 2,2,1
40.

What is the right ratio of chemicals for the balanced chemical equation?

__FeCl3 + __Ca(OH)2 --> __Fe(OH)3 + __CaCl2

a)
4,3--> 2,1
b)
3,2 --> 3,1
c)
2,3 --> 2,2
d)
2,3 --> 2,3
41.
What are the coefficient used to balance the equation below?
__Ag2O →__ Ag +___O2
a)
2,4,1
b)
1,1,1
c)
2,1,2
d)
2,2,2
42.

Write the correct coefficients to balance the equation.

43.

Write in the coefficients to balance the equation.

44.

Write in the correct coefficients to balance the equation.

45.

Balance the equation by writing in the correct coefficients.

46.
The substances at the beginning of a chemical equation are called the ____
a)
product
b)
yield
c)
chemical symbol
d)
reactants
47.
In a chemical reaction, everything to the rightof the arrow is called ______________.
a)
Products
b)
Yields
c)
Molecules
d)
Reactants
48.

Balance this equation.

_CF4 + _Br2 -- _CBr4 + _F2

a)

2,1,2,1 anionic single displacement

b)

1,2,2,1 synthesis

c)

1,2,1,2 anionic single displacement

d)

2,2,2,2 cationic single displacement

49.

Balance this equation.

_CH4 + _O2 --> _CO2 + _H2O

a)

1,2,1,1 single displacement

b)

2,1,2,1 double displacement

c)

1,2,1,2 hydrocarbon combustion

d)

0,2,0,2 double displacement

50.

Balance this equation-

_SeCl6+_O2 ->_SeO2+_Cl2

a)

1,2,1,2 anionic single displacement

b)

1,1,1,3 anionic single displacement

c)

1,2,1,1 cationic single displacement

d)

2,1,1,1 double displacement

51.

Balance this equation

_Al +_HCl --> _H2 +_AlCl3

a)

2, 6, 3, 2 , cationic single displacement

b)

it is already balanced

c)

4, 12, 3, 4, anionic single displacement

d)

2, 1, 4, 5 double displacement

52.
Which of the following is an example of synthesis?
a)
Na + Br2 --> NaBr
b)
KClO3 --> KCl + O2
c)
HgO + Cl2-->HgCl + O2
d)
Cl2 + NaBr --> NaCl + Br2
53.
Which of the following is an example of decomposition?
a)
Na + Br2 --> NaBr
b)
KClO3 --> KCl + O2
c)
HgO + Cl2-->HgCl + O2
d)
Cl2 + NaBr --> NaCl + Br2
54.
Write a complete balanced reaction for the following.
Liquid butane, C4H8, is burned in the presence of gaseous oxygen.
a)
C4H8 (l) + 6 O2 (g) --> 4 CO2 (g) + 4 H2O (g)
b)
C4H8 (l) + 12 O (g) --> 4 CO2 (g) + 4 H2O (g)
c)
C4H8 (l) + 12 O2 (g) --> 4 CO2 (g) + 4 H2O (g)
d)
C4H8 (l) + 5 O2 (g) --> 4 CO2 (g) +  O2 (g) + 4 H2 (g)
55.

Write a complete reaction for the following.

Solid iron (III) oxide decomposes.

a)

2 Fe2O3 (s) → 4 Fe (s) + 3 O2 (g) (decomposition)

b)

Fe2O3 (s) → 2 Fe (s) + 3 O (g) (combustion)

c)

2 FeO (s) → 2 Fe (s) + O2 (single replacement)

d)

Fe3O2 (s) → 3 Fe (s) + O2 (synthesis)

56.

Write a complete reaction for the following.

Solid magnesium oxide reacts with gaseous carbon dioxide.

a)

MgO (s) + CO2 (g) → MgCO3 (s) (synthesis reaction )

b)

Mg2O2 (s) + 2 CO2 (g) → 2 MgCO3 (s) (decomposition reaction)

c)

MgO (s) + CO (g) → MgCO2 (s) (combustion reaction)

d)

MgO2 (s) + CO2 (g) → MgCO4 (s) (synthesis reaction )

57.
What type of chemical reaction is this one?
Al(OH)3 --> Al2O3  + H2O
a)
Decomposition
b)
Combustion
c)
Synthesis
d)
Single Replacement 
58.

C4H10 + O2--> CO2 + H2O

a)

1,8,4,5 hydrocarbon combustion

b)

1,13,4,5 anionic single displacement

c)

2,13,8,10, hydrocarbon combustion

d)

1,13, 8, 10 anionic single displacement

59.

Sodium phosphate in solution reacts with silver nitrate solution to produce sodium nitrate solution a silver phosphate precipitate.

a)

NaPO4(aq) + AgNO3(aq) --> NaNO3(aq) + AgPO4(s) single displacement

b)

Na3P (aq) + Ag3N (aq) --> Na3N (aq) + Ag3P (s) double displacement

c)

Na3PO4(aq) + 3AgNO3(aq) --> 3NaNO3(aq) + Ag3PO4 (s) double displacement

d)

NaP + AgN --> NaN + AgP synthesis

60.
4Si + S8 --> 2Si2S4
a)
Synthesis
b)
Decomposition
c)
Single displacement
d)
Double displacement
61.

3Ca + 2AlCl3 --> 3CaCl2 + 2Al

a)

Synthesis

b)

Decomposition

c)

Cationic Single diplacement

d)

Double displacement

62.
3KOH + H3PO4 --> K3PO4 + 3H2O
a)
Synthesis 
b)
Decomposition
c)
Single displacement
d)
Double displacement
63.
2Pb(NO3)2 --> 2PbO + 4NO2 + O2
a)
Synthesis 
b)
Decomposition
c)
Single displacement
d)
Combustion
64.
3Mg + N2 --> Mg3N2
a)
Synthesis 
b)
Decomposition
c)
Single displacement
d)
Combustion
65.
2NO2 --> N2 + 2O2
a)
Synthesis
b)
Decomposition
c)
Single displacement
d)
Combustion
66.

2Fe + 3H2SO4 --> Fe2(SO4)3 + 2H2

a)

Synthesis

b)

Decomposition

c)

Cationic Single displacement

d)

Combustion

67.

P4 + 3O2 --> 2P2O3

a)

Synthesis

b)

Decomposition

c)

Single displacement

d)

Combustion

e)

synthesis and combustion

68.
Identify reaction type:
_Al +_HCl --> _H2 +_AlCl3
a)
cationic single displacement
b)
combustion
c)
double displacement
d)
anionic single displacement
69.
Identify this reaction
__P4 + __O2 --> __P2O3
a)
decomposition
b)
double displacement
c)
single displacement
d)
synthesis AND combustion
70.
Identify this reaction:
_CF4 + _Br2 -- _CBr4 + _F2
a)
cationic single displacement
b)
synthesis
c)
anionic single displacement
d)
double displacement
71.

What type of reaction involves the breaking down of a substance into simpler substances?

a)

Single Replacement Reaction

b)

Double Replacement Reaction

c)

Synthesis Reaction

d)

Decomposition Reaction

72.

What type of reaction involves 2 substances combining to form 1 new compound?

a)

Decomposition Reaction

b)

Single Replacement Reaction

c)

Double Replacement Reaction

d)

Synthesis Reaction

73.

What type of reaction involves one element replacing another element in a compound?

a)

Single Replacement Reaction

b)

Double Replacement Reaction

c)

Synthesis Reaction

d)

Decomposition Reaction

74.

What type of reaction involves the breaking down of a substance into simpler substances?

a)

Single Replacement Reaction

b)

Double Replacement Reaction

c)

Synthesis Reaction

d)

Decomposition Reaction

75.

What type of reaction involves 2 substances combining to form 1 new compound?

a)

Decomposition Reaction

b)

Single Replacement Reaction

c)

Double Replacement Reaction

d)

Synthesis Reaction

76.

What type of reaction involves one element replacing another element in a compound?

a)

Single Replacement Reaction

b)

Double Replacement Reaction

c)

Synthesis Reaction

d)

Decomposition Reaction

77.

What type of reaction involves ions from 2 compounds exchanging places to form 2 completely new compounds?

a)

Single Replacement Reaction

b)

Double Replacement Reaction

c)

Synthesis Reaction

d)

Decomposition Reaction

78.

What are the reactants in the chemical equation pictured?

a)

CH4 and CO2

b)

CH4 and O2

c)

CO2 and H2O

d)

O2 and H2O

79.

What are the products of the chemical reaction pictured?

a)

CH4 and CO2

b)

CH4 and O2

c)

CO2 and H2O

d)

O2 and H2O

80.

What type of chemical reaction is this one?

Al(OH)3 --> Al2O3 + H2O

a)

Decomposition

b)

Combustion

c)

Synthesis

d)

Single Replacement

81.

What type of chemical reaction is this one?

CUO + CO2 --> CuCO3

a)

Decomposition

b)

Combustion

c)

Synthesis

d)

Single Replacement

82.

What type of chemical reaction is this one?

Ca + MgCl2 --> CaCl2 + Mg

a)

Decomposition

b)

Combustion

c)

Synthesis

d)

Single Replacement

83.

3KOH + H3PO4 --> K3PO4 + 3H2O

a)

Combination

b)

Decomposition

c)

Single replacement

d)

Double replacement

84.
CxHy +O2 --> H2O + CO2
a)
Decomposition
b)
Double replacement
c)
Combustion
d)
Single Replacement
85.
Pb(NO3)2 --> PbO + NO2 + O2
a)
Synthesis (combination)
b)
Decomposition
c)
Single replacement
d)
Combustion
86.

Combustion reactions will always involve

a)

Oxygen and a solid

b)

Liquid nitrogen and heat

c)

Oxygen and heat/energy

d)

CO and H2O

87.

When Lead Nitrate reacts with potassium iodide, Yellow precipitate of ............. is formed

a)

PbI2

b)

KNO3

c)

Pb(NO3)2

d)

PbIO3

88.

Balancing this reaction:

____ CH4 + ____ O2 ---> ___ CO2 + ____ H2O

a)

2,1,3,1

b)

1,2,1,2

c)

1,2,2,1

d)

2,1,1,2

89.

Balance this reaction:

____ Na3PO4 + ____ KOH ---> ____ NaOH + ____ K3PO4

a)

1,3,3,1

b)

1,3,2,1

c)

2,3,3,1

d)

1,1,3,1

90.

Balance this reaction:

____ NaF + ____ Br2 ---> ___ NaBr + ____ F2

a)

3,1,2,1

b)

1,2,3,4

c)

2,1,2,1

d)

1,2,1,2

91.
The red numbers in the image below represent ________
a)
subscripts
b)
coefficients
c)
I don't know, and don't want to try
d)
None of the answers are correct
92.
The blue numbers in the image below represent ________
a)
I don't know, and don't want to try
b)
coefficients
c)
subscripts
d)
none of the answers are correct
93.

Two chemicals reacted and one of the products stays dissolved in the solution. What symbol is used to indicate this?

a)

(s)

b)

(l)

c)

(aq)

d)

(g)

94.

Predict the products for this substance: Al2O3 → ? + ?

a)

Al + O2

b)

O2 + Al3

c)

Al2 + O3

d)

Al + O

e)

Al3 + O

95.

Predict the products if Calcium Carbonate reacts with Silver Sulfate.

CaCO3 + Ag2SO4 → ?

a)

Ag2CO3 + Ca2SO4

b)

AgCO3 + CaSO4

c)

CaSO4 + Ag2CO3

d)

Ag(CO3)2 + CaSO4

96.

In a reaction, Barium Chloride reacts with Potassium Carbonate to produce Barium Carbonate and Potassium Chloride. Determine the solubility of each product. Which answer choice correctly states one of the products?

a)

BaCl2 (aq)

b)

KCl (s)

c)

BaCO3 (s)

d)

K2CO3 (aq)

e)

BaCO3 (aq)

97.

If Ethylene (C2H4) reacts with Oxygen gas in a chemical reaction, what are the products?

a)

C2O2 + H4

b)

CO2 + H2 + O2

c)

CO + H2

d)

CO2 + H2O

98.

Barium Bromide reacts with Lithium Phosphate to yield Lithium Bromide and Barium Phosphate. What substance forms the precipitate in this reaction?

a)

Lithium Phosphate

b)

Lithium Bromide

c)

Barium Bromide

d)

Barium Phosphate

99.
What are the products of this reaction?
Cu+ AgNO3--> 
a)
Cu(NO3)2+Ag
b)
CuNO3 + Ag
c)
CuAg+NO3
d)
Cu+ AgNO3
100.
Write a Balanced Equation for this reaction:
C2H4 + 2 O2 -->
a)
C2O2 + H4
b)
CO2 + HOH
c)
CO + H
d)
2 CO2 + 2H2O
101.
What are the correct formulas and coefficients for the products of the following single-replacement reaction?
Mg + Al(OH)3 →
a)
No Reaction
b)
Al + Mg(OH)3
c)
2 Al + 3 Mg(OH)2
d)
3 Al + MgOH3
102.
If an element is diatomic it should have a subscript of___
a)
2, always
b)
2, only when it is by itself
c)
it shouldn't have a subscript, it should have a coefficent
103.
What kind of reaction is this:
4Fe  +  3O2 →   2Fe2O3 
a)
Synthesis
b)
Decomposition
c)
Single Replacement 
d)
Double Replacement
104.
What kind of reaction is this:
2H2O2 →2 H2O + O2
a)
Synthesis
b)
Decomposition
c)
Single Replacement 
d)
Combustion
105.
What kind of reaction is this:
Fe + CuSO4 -> Cu + FeSO4
a)
Double Replacement
b)
Decompostion
c)
Single Replacement
d)
Combustion
106.
in a reaction, aqueous barium chloride reacts with aqueous potassium carbonate to produce solid barium carbonate and aqueous potassium chloride. what is the correct balanced equation.
a)
Ba2Cl(aq) + KCO3(aq) --> BaCO3(s) + KCl(aq)
b)
BaCl2(aq) + K2CO3(aq) --> BaCO3(s) + 2KCl(aq)
c)
BaCl(aq) + K2CO3(aq) --> BaCO3(s) + K2Cl(aq)
d)
Ba2Cl2(aq) + KCO3(aq) --> Ba2CO3(s) + KCl2(aq)
107.

What are the products of this reaction?

Cu2+ + AgNO3 →

a)

Cu(NO3)2 + Ag

b)

CuNO3 + Ag

c)

CuAg + NO3

d)

Cu + AgNO3

108.

Write a balanced reaction for this reaction [Zn has a charge of 2+]

Zn(s) + H2S(aq) →

a)

ZnS + H

b)

ZnS + H2

c)

ZnS2 + H

d)

Zn2S + H2

109.

Write a balanced equation for this DR reactions

NaOH + Fe(NO3)3 -->

a)

NaFe + OH(NO3)3

b)

2NaNO3 + 3Fe(OH)3

c)

NaNO3 + FeOH

d)

3NaNO3 + Fe(OH)3

110.
Predict the products for the this reaction:
K + HCl --> 
a)
KCl + H2
b)
KHCl 
c)
KH + Cl2
d)
KCl + H
111.

Predict the products for the this reaction:

Mg + CuCl2 →

a)

MgCl2 + Cu

b)

MgCl + Cu

c)

MgCu + Cl2

d)

CuMg + Cl2

112.

Predict the products for the this reaction: [Ag has a charge of 1+]

Ag3N + KCl →

a)

AgCl + K3N

b)

AgK + ClN3

c)

AgN3 + KCl

d)

KAg + N3Cl

113.

What are the correct formulas and coefficients for the products of the following single-replacement reaction?

Ag + K2SO4 →

a)

No Reaction

b)

K2 + AgSO4

c)

2K + Ag(SO)4

d)

2K + AgSO4

114.
2 Na + Cl₂ →       2 NaCl
a)
Double Replacement
b)
Synthesis
c)
Single Replacement
d)
Decomposition
115.

Cl2 + 2 SnI4 → I2 + SnCl4

a)

Single Replacement

b)

Decomposition

c)

Double Replacement

d)

Synthesis

e)

Combustion

116.

2 H₂O₂ → 2 H₂O + O₂

a)

Double Replacement

b)

Single Replacement

c)

Synthesis

d)

Decomposition

e)

Neutralization

117.

HCl + AgNO3 → AgCl + HNO3

a)

Single Replacement

b)

Decomposition

c)

Double Replacement

d)

Synthesis

e)

Neutralization

118.

Choose the best answer


HNO₃ + LiOH → LiNO₃ + H₂O

a)

whoolydooly

b)

Single Replacement

c)

Combustion

d)

Double Replacement

e)

Synthesis

119.

C7H14 + O₂ → CO₂ + H₂O

a)

Decomposition

b)

Single Replacement

c)

Double Replacement

d)

Combustion

e)

Neutralization

120.

NaOH + HCl → H2O + NaCl

a)

Double Displacement

b)

Decomposition

c)

Synthesis

d)

Combustion

121.
NaCl + AgNO3 → AgCl + NaNO3
a)
Single Replacement
b)
Neutralization
c)
Double Replacement
d)
Combustion
122.
2Na +S → Na2S
a)
Double Replacement
b)
Decomposition
c)
Combustion
d)
Synthesis
123.
Zn + H2SO4 →  ZnSO4 + H2
a)
Neutralization
b)
Single Replacement
c)
Combustion
d)
Double Replacement
124.
HBr + KOH →  H2O + KBr
a)
Combustion
b)
Decomposition
c)
Single Replacement
d)
Neutralization
125.
2Pb(NO3)2 →  2PbO + 4NO2 + O2
a)
Decomposition
b)
Double Replacement
c)
Neutralization
d)
Synthesis
126.
C4H10 + O2 →  CO2 + H2O
a)
Decomposition
b)
Combustion
c)
Single Replacement
d)
Double Replacement
127.
2H2 + O2 →  2H2O 
a)
Single Replacement
b)
Decomposition
c)
Combustion
d)
Synthesis
128.
BaCl2 + Na2SO4 →  BaSO4 + 2NaCl
a)
Double Replacement
b)
Neutralization
c)
Decomposition
d)
Single Replacement
129.
 2 Fe  +  O2  --->  2 FeO 
a)
Synthesis
b)
Combustion
c)
Decomposition
d)
Neutralization
130.

HCl + NaOH --> NaCl + H2O

a)

Neutralization

b)

Synthesis

c)

Single Replacement

d)

Combustion

131.
BaCl2 + 2AgNO3 -->  2 AgCl +Ba(NO3)2 
a)
Decomposition
b)
Neutralization
c)
Double Replacement
d)
Single Replacement
132.
CaCO3  ------->  CaO  +  CO2 
a)
Synthesis
b)
Decomposition
c)
Combustion
d)
Neutralization
133.
2 KClO3 ------>  2 KCl  +  3 O2 
a)
Single Replacement
b)
Combustion
c)
Synthesis
d)
Decomposition

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