AnswersSY2026-27 - 2003340 Chemistry 1 Sem 2 CRWriting and Balancing Chemical Equations

Types of Reactions Answers

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Which type of chemical reaction occurs in 2KClO3 2KCl + 3O2?

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A
synthesis
B
decomposition
C
single replacement
D
double replacement
2
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A chemical reaction in which one element replaces another element in a compound can be categorized as a

A
combustion reaction.
B
decomposition reaction.
C
single displacement reaction.
D
double displacement reaction.
3

Which products are formed when aluminum is added to a silver chloride solution? Use the activity series below if needed.Al > Mn > Zn > Cr > Fe > Cd > Co > Ni > Sn > Pb > H > Sb > Bi > Cu > Ag > Pd >Hg > Pt

A
none
B
only AlCl3
C
AlCl3 and Ag
D
AlAg3 and Cl2
4

Which is a characteristic of a decomposition reaction?

A
Substance P replaces X in the compound XY.
B
Substance XYZ breaks down into X, Y, and Z.
C
Substance Z burns in the presence of oxygen to form ZO.
D
Substance X combines with Y to form compound XY.
5

Sodium chloride reacts with copper sulfate to produce sodium sulfate and copper chloride.This equation represents a

Question illustration
A
synthesis reaction.
B
decomposition reaction.
C
single replacement reaction.
D
double replacement reaction.
6

A

A
combustion
B
decomposition
C
single replacement
D
synthesis
7

Propane burns in air to produce carbon dioxide and water. What is this type of chemical reaction called?

A
synthesis
B
combustion
C
decomposition
D
single replacement
8

Considering the activity series given for nonmetals, what is the result of the below reaction? Use the activity series provided. F > Cl > Br > IBr2 + NaF

Question illustration
A
no reaction
B
Na + FBr2
C
NaBr + F2
D
Na2F + Br2
9

Using the activity series provided. Which reactants will form products?Na > Mg > Al > Mn > Zn > Cr > Fe > Cd > Co > Ni > Sn > Pb > H > Sb > Bi > Cu > Ag

A
Ag +NaNO3
Option A
B
Fe + Al2O3
Option B
C
Ni + NaCl
Option C
D
Fe + Cu(NO3)2
Option D
10

Which type of chemical reaction occurs in Ca + Cl2 CaCl2?

Question illustration
A
synthesis
B
combustion
C
single replacement
D
double replacement

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