Chemical Reactions Question Preview (ID: 28083)


Chemical Reactions. TEACHERS: click here for quick copy question ID numbers.

Any compound that increases the number of hydroxide ions when dissolved in water.
a) Catalyst
b) Inhibitor
c) Acid
d) Base

Any compound that increases the number of hydronium ions when dissolved in water.
a) Catalyst
b) Inhibitor
c) Acid
d) Base

A substance that slows down or stops a chemical reaction.
a) Endothermic
b) Inhibitor
c) Catalyst
d) Exothermic

A substance that changes the rate of a chemical reaction without being used up or changed very much.
a) Endothermic
b) Inhibitor
c) Catalyst
d) Exothermic

A chemical reaction in which heat is released to the surroundings.
a) Endothermic
b) Exothermic
c)
d)

A reaction in which a gas, a solid, or a molecular compound forms from the exchange of ions between two compounds.
a) Synthesis
b) Decomposition
c) Single Displacement
d) Double Displacement

A reaction in which one element takes the place of another element in a compound.
a) Synthesis
b) Decomposition
c) Single Displacement
d) Double Displacement

A reaction in which a single compound breaks down to form two or more simpler substances.
a) Synthesis
b) Decomposition
c) Single Displacement
d) Double Displacement

Reaction in which two or more substances combine to form a new compound.
a) Synthesis
b) Decomposition
c) Single Displacement
d) Double Displacement

A law that states that mass cannot be created nor destroyed
a) Conservation of Energy
b) Conservation of Mass
c)
d)

a number that is used to measure some property or characteristic of a substance.
a) Chemical Equation
b) Formula
c) Catalyst
d) Coefficient

A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products.
a) Chemical Equation
b) Formula
c) Catalyst
d) Coefficient

A chemical reaction that requires heat.
a) Synthesis
b) Endothermic
c) Decomposition
d) Exothermic

A substance that forms in a chemical reaction.
a) Coefficient
b) Reactant
c) Product
d) Catalyst

A substance or molecule that participates in a chemical reaction.
a) Coefficient
b) Reactant
c) Product
d) Catalyst

A value that is used to express the acidity or basicity of a system; measure of hydronium ion concentration.
a) Buffer
b) Acid
c) Base
d) pH

The reaction of an acid and a base to form a neutral solution of water and salt
a) Synthesis
b) Decomposition
c) Single Displacement
d) Neutralization

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