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Chemical reactions

Total questions: 40

Worksheet time: 1hrs 7mins

Name
Class
Date
1.

What is the formula for phosphorous acid?

a)

H3PO4

b)

H2PO4

c)

H3P

d)

H3PO3

2.

What is the formula for nitric acid?

a)

HNO2

b)

HNO3

c)

HNO4

d)

H2NO3

3.

Name this acid with the formula HF

a)

hydrofluoric acid

b)

hypofluoric acid

c)

hydrogen fluorine acid

d)

fluoric acid

4.
The chemical formula of carbon tetrachloride is
a)
CCl
b)
C₄Cl
c)
CCl₄
d)
C(IV)Cl
5.
SiCl4
a)
silicon tetrachloride
b)
silicon quadchloride
c)
monosilicon tetrachloride
d)
silicon chloride
6.
What is the name of Ca(NO2)2
a)
calcium nitrite
b)
calcium II nitrate
c)
calcium nitrate
d)
carbon nitrate
7.
Rb2O
a)
rubidium oxalate
b)
rubidium oxide
c)
rubidium (II) oxide
d)
rubidium oxygen
8.
barium phosphate
a)
Ba3(PO4)2
b)
BaP
c)
Ba3P2
d)
Ba2P3
9.
Ag2O
a)
silver oxide
b)
silver (II) oxide
c)
silver oxygen
d)
silver(I)  Oxide
10.
What is the formula for magnesium phosphite?
a)
Mg3P2
b)
Mg2P3
c)
Mg2PO3
d)
Mg3(PO3)2
11.
What is this reaction?
Zn + HCl --> ZnCl2 + H2
a)
decomposition
b)
single replacement
c)
synthesis
d)
double replacement
12.
What is this reaction?
NaCl+AgNO3>NaNO3+AgCl
a)
single replacement
b)
double replacement
c)
synthesis
d)
decomposition
13.
What reaction is this?
H2CO3--> H2O + CO2
a)
synthesis
b)
decomposition
c)
single replacement
d)
combustion
14.
What reaction is this?
Na + Cl --> NaCl
a)
single replacement
b)
decomposition
c)
synthesis
d)
double replacement
15.
What type of chemical reaction is this one?
C2H2 + O2 --> CO2 + H2O
a)
Decomposition
b)
Combustion
c)
Synthesis
d)
Single Replacement 
16.

Which of these is a chemical reaction?

a)

Cutting a piece of paper in half

b)

Mixing sugar and water

c)

Lighting a match

d)

Boiling water

17.
What type of chemical reaction is this one?
Ca + MgCl2 --> CaCl2 + Mg
a)
Decomposition
b)
Combustion
c)
Synthesis
d)
Single Replacement 
18.

Which of the following is a combustion reaction?

a)

2Mg + 2Cl2 -->​ 2MgCl2

b)

HCl + NaOH -->​ H2O + NaCl

c)

CH4 + 2O2 ​--> CO2 + 2H2O

d)

6CO2 + 6H2O -->​ C6H12O6 + 6O2

19.

A student observes what happens when two different aqueous solutions are mixed in a test tube. Which of the following observations would indicate a precipitation reaction?

a)

Gas bubbles are produced.

b)

A solid settles out.

c)

There is a color change.

d)

The test tube warms.

20.

Which of the following reactions involves the ions of two compounds exchanging places to form two new compounds?

a)

Synthesis reaction

b)

Single-replacement reaction

c)

Double-replacement reaction

d)

Combustion reaction

21.
 Predict the product(s):  H2O -->
a)
H and O
b)
H2 and O2
c)
H and OH
22.
Predict this reaction,  Ca + 2HCl --> ?
a)
 4CaCl3 + H2
b)
no reaction
c)
 CaH2 + Cl
d)
 CaCl2 + H2
23.
What are the products for the reaction between F2 + KCl 
a)
FCl + K
b)
KF + Cl2
c)
KF + Cl
d)
no reaction
24.
Predict the products of the following reaction: Pb(NO3)2 + 2KI → 
a)
PbI2 + K(NO3)
b)
PbK + I(NO3)
c)
no reaction
d)
PbK(NO3) + I2 
25.
In the reaction of K + AgNO3 what will the products be?
a)
K and AgNO3
b)
Ag and KNO3
c)
NO3 and AgK
d)
No reaction
26.

NO2⟶NO2\longrightarrow  ?



What is formed in this decomposition reaction?

a)

N + O

b)

N2 + O2

c)

N2

d)

O2

27.

What is the product of this synthesis reaction?

P4 + 3O2 → ?

a)

2P2O3

b)

2 PO4

c)

2 PO3

d)

2 O2P3

28.

What are products for this single replacement reaction?

Fe + H2SO4 🡪 ?

a)

Fe2(SO4)3 + H

b)

FeSO4 + H

c)

Fe2(SO4)3 + H2

d)

H + FeSO4

29.

Without balancing the final equation, predict the products for the synthesis reaction: Mg + Br2 →Mg\ +\ Br_2\ \rightarrow ?

a)

MgBrMgBr  

b)

MgBr2MgBr_2  

c)

Mg2BrMg_2Br  

d)

Mg2Br2Mg_2Br_2  

30.

What is the missing product?


CxHy + O2 ➔ CO2 + __________

a)

H2O

b)

HO

c)

CHO

31.

Is the following reaction balanced?

Ca+CuF2→CaF2+CuCa+CuF_2\rightarrow CaF_2+Cu  

a)

Yes

b)

No

32.

How many Hydrogen atoms do I have in the following compound?

2(NH4)3PO42\left(NH_4\right)_3PO_4  

a)

4

b)

12

c)

9

d)

24

33.

What number do I need to balance the following chemical equation?

2Al+6HCl→3H2+2Al+6HCl\rightarrow3H_2+  _ AlCl3AlCl_3  

a)

1

b)

2

c)

4

d)

6

34.

What does the 2 in front of AlPO4AlPO_4   mean?

2AlPO4(aq)+3Mg(s) → 2Al(s)+Mg3(PO4)2(aq)2AlPO_4\left(aq\right)+3Mg\left(s\right)\ \rightarrow\ 2Al\left(s\right)+Mg_3\left(PO_4\right)_2\left(aq\right)  

a)

The subscript, tells how many Al atoms I have

b)

The subscript, tells me how many AlPO4AlPO_4   molecules I have

c)

The coefficient, tells me how many Al atoms I have

d)

The coefficient, tells me how many AlPO4AlPO_4   molecules I have

35.
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
36.
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
37.
Balance this reaction: ____ AlBr3 + ____ K2SO4 ---> ____ KBr + ____ Al2(SO4)3
a)
1,1,1,1
b)
2,3,6,1
c)
2,6,1,1
d)
3,1,2,2
38.
Balance this reaction: ____ BaS + ____ PtF2 ---> ____ BaF2 + ____ PtS
a)
1,1,1,1
b)
1,2,1,1
c)
1,1,1,2
d)
2,1,1,1
39.
Balance this reaction: ____ RbNO3 + ____ BeF2 ----> ____ Be(NO3)2 + ____ RbF
a)
1,1,1,1
b)
1,2,1,1
c)
2,1,1,2
d)
2,1,2,1
40.
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

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