Exam Bank for Chemical Reactions- Latest Update 2025-2026 Solution Manual Fully Solved
What THREE things must happen for a chemical reaction to occur? - Answers 1. Old bonds are broken
2. Atoms are rearranged
3. New bonds are formed
How does a balanced chemical equation show that mass is never lost or gained during a chemical
reaction? - Answers Each side of the equation has the same type and number of atom.
A chemical reaction cannot occur without ________________. - Answers Energy
Why are chemical equations important to science around the world? - Answers They can be understood
around the world in all different languages without having to translate.
Give an example of a physical change. - Answers Tearing, cutting
Give an example of a chemical change. - Answers Rust, Oxidation
What is a substance that slows down or stops a chemical reaction? - Answers Inhibitor
Give an example of an inhibitor - Answers Salt
How do the properties of the reactants compare to the properties of the products? - Answers Reactants
have complete different properties from the products
What are TWO ways you can increase the rate of a reaction? - Answers Add a catalyst, Heating
What is the difference between a reactant and a product? - Answers Reactant is what the reaction starts
with, the products are what is formed after the reaction.
What are TWO clues that a chemical reaction is occurring? - Answers Bubbling, fizzing, energy change
What is the term for "The substances formed from a chemical reaction"? - Answers Products
What is the term for "A chemical reaction in which energy is absorbed"? - Answers Endothermic
Reaction
What is the term for "A chemical reaction in which energy is released"? - Answers Exothermic Reaction
What is the term for "A substance used to slow down or stop a chemical reaction"? - Answers Inhibitor
What is the term for "The substances present before a chemical reaction occurs"? - Answers Reactants
What is the term for "A description using chemical symbols and formulas to show the reactants and
products in a chemical reaction"? - Answers Chemical Equation
What THREE things must happen for a chemical reaction to occur? - Answers 1. Old bonds are broken
2. Atoms are rearranged
3. New bonds are formed
How does a balanced chemical equation show that mass is never lost or gained during a chemical
reaction? - Answers Each side of the equation has the same type and number of atom.
A chemical reaction cannot occur without ________________. - Answers Energy
Why are chemical equations important to science around the world? - Answers They can be understood
around the world in all different languages without having to translate.
Give an example of a physical change. - Answers Tearing, cutting
Give an example of a chemical change. - Answers Rust, Oxidation
What is a substance that slows down or stops a chemical reaction? - Answers Inhibitor
Give an example of an inhibitor - Answers Salt
How do the properties of the reactants compare to the properties of the products? - Answers Reactants
have complete different properties from the products
What are TWO ways you can increase the rate of a reaction? - Answers Add a catalyst, Heating
What is the difference between a reactant and a product? - Answers Reactant is what the reaction starts
with, the products are what is formed after the reaction.
What are TWO clues that a chemical reaction is occurring? - Answers Bubbling, fizzing, energy change
What is the term for "The substances formed from a chemical reaction"? - Answers Products
What is the term for "A chemical reaction in which energy is absorbed"? - Answers Endothermic
Reaction
What is the term for "A chemical reaction in which energy is released"? - Answers Exothermic Reaction
What is the term for "A substance used to slow down or stop a chemical reaction"? - Answers Inhibitor
What is the term for "The substances present before a chemical reaction occurs"? - Answers Reactants
What is the term for "A description using chemical symbols and formulas to show the reactants and
products in a chemical reaction"? - Answers Chemical Equation
