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Integrated Science Review Part 3- Chemistry
Test Description: Chemical Reactions
Instructions: Answer all questions to get your test result.
1) In a chemical equation, what is found on the right side?
A
conservations
B
yields
C
reactants
D
products
2) What is found on the left side of a chemical equation?
A
reactants
B
products
C
yields
D
conservation
3) What does the arrow on a chemical equation represent?
A
creates
B
yields
C
all are correct
D
produces
4) Balancing an equation is important because of this law:
A
law of conservation of mass
B
law of conservation of product
C
law of conservation of atoms
D
law of conservation of energy
5) Which of the following equations are balanced?
A
2Cu + O2 --> 2CuO
B
Cu + O2 --> CuO
C
2Cu + O2 --> 3CuO
D
Cu + O2 --> 2CuO
6) Identify the reaction: A + B --> AB
A
synthesis
B
double replacement
C
decomposition
D
single replacement
7) Identify the reaction: AB --> A + B
A
synthesis
B
single replacement
C
decomposition
D
double replacement
8) Identify the reaction: A + BC --> B + AC
A
single replacement
B
decomposition
C
double replacement
D
synthesis
9) Identify the reaction: AB + CD --> AD + CB
A
synthesis
B
single replacement
C
double replacement
D
decomposition
10) Which of the following is a statement of the law of conservation of mass?
A
mass is both created and destroyed, depending on the chemical reaction
B
mass is created but not destroyed
C
mass is neither created nor destroyed
D
mass is destroyed but not created
*select an answer for all questions
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