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Physical Science Benchmark 2
Test Description: Review Physical Science - Bonding
Instructions: Answer all questions to get your test result.
1) The amount of energy needed to change a material from a solid state to a liquid state is the heat of _______.
A
Rendition
B
Fusion
C
Plutonic
D
Fission
2) Increasing the surface area of a solid causes the sugar to dissolve faster in water because?
A
It doesn't make a difference in dissolving
B
It increases the speed of dissolving
C
It slows down the speed of dissolving
3) Each substance to the right of the arrow in a chemical equation is a _______.
A
Subscript
B
Reactant
C
Product
D
Coefficient
4) Substances that speed up chemical reactions are called _______.
A
Synthesis
B
Catalyst
C
Decomposition
5) When objects are burned a _______ reaction has occurred.
A
Chemical
B
Combustion
C
Nuclear
D
Basic
6) The burning of wood in a campfire that produces heat and light would be both an ________ and an ________ reaction.
A
exergonic; endothermic
B
exergonic; exothermic
C
exergonic; endothermic
D
exergonic; exothermic
7) In a chemical equation the symbol that means dissolved in water is ______.
A
aq
B
s
C
g
D
l
8) The Law Conservation of Mass states
A
Mass is lost during chemical reaction
B
Mass is neither lost or created nor chemical change
C
Mass is lost during combustion only
9) When sugar reacts with potassium chlorate, it releases light into the environment. This type of reaction is
A
Exerthermic
B
Exergonic
C
Endergonic
D
Exothermic
10) True or False, a state of matter change is a chemical reaction.
A
False
B
True
11) True or false A chemical change happens when two solutions are mixed in a beaker and it produces a solid.
A
False
B
True
12) In a reaction in which hydrogen reacts with oxygen to produce water, which substances are reactants?
A
Both hydrogen and oxygen
B
oxygen
C
hydrogen
13) A solid produced from two liquids in a double displacement chemical reaction is called a
A
Catalyst
B
Precipitate
C
single replacement
D
Synthesis
14) Matter has a definite volume and a definite shape is a _______.
A
Gas
B
Solid
C
Liquid
15) The amount of energy needed to change a material from liquid to a gas is the heat of _______.
A
Vaporization
B
Tyndall
C
Tranquility
D
Isotopic
16) The maximum amount of solute that can be dissolved in a given amount of solvent is its _______.
A
Mixture
B
Solubility
C
Solution
17) The air you breathe is an example of a _______ solution.
A
Heterogeneous
B
Solution
C
Plasma
18) True or false stirring a solution will speed up the dissolving of a solid in water.
A
True
B
False
19) _______ is another name for homogeneous mixture.
A
Solution
B
Orange juice with pulp
C
Trail mix
D
Salad Dressing
20) In which phase of matter or molecules of the substance farther is apart from each other?
A
Liquid
B
Gas
C
Solid
*select an answer for all questions
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