An example of an Acid
Vinegar, Lemon Juice, Orange Juice, etc.
An example of a base
Baking soda, amonia, bleach, soap, etc.
What is an exothermic reaction?
An exothermic reaction is any chemical reaction that releases heat to the environment.
What are the three main states of matter?
Solid, liquid, and gas.
What is the "universal solvent"?
Water
What is the pH range of an acid?
0 to 6.9
What is the pH range of a base?
7.1 to 14
What is an endothermic reaction?
An endothermic reaction is any chemical reaction that absorbs heat from the environment.
What is the term for a change of state from liquid to gas?
Evaporation
Which gas makes balloons float when used to fill them?
Helium
What is the acid commonly found in citrus fruits like lemons and oranges?
Citric acid
What common household item, used for baking, is a base?
Baking soda
What item commonly uses a combustion reaction?
A car's engine.
What do we call a substance that has a fixed shape and volume?
Solid
Approximately what percentage of the human body is made up of water?
60%
This acid, found in many dairy products, is produced during fermentation and is known for giving yogurt its tangy taste.
A) Lactic Acid
B) Acetic Acid
C) Hydrochloric Acid
A) Lactic Acid
What base is often used in antacid tablets to neutralize stomach acid?
A) Sodium hydroxide
B) Acetic acid
C) Magnesium hydroxide
C) Magnesium hydroxide
What happens to an element during Oxidation?
An element gains oxygen and loses hydrogen.
What is the name of the process where a solid changes directly into a gas?
Sublimation
Which metal is known for being extremely non-reactive and doesn't tarnish or rust easily?
Gold
This strong acid is used in car batteries and has the chemical formula H₂SO₄.
A) Citric Acid
B) Sulfuric acid
C) Lactic Acid
B) Sulfuric acid
Which base is commonly used in drain cleaners and is also known as lye?
A) Ammonia
B) Sodium hydroxide
C) Hydrogen Peroxide
B) Sodium hydroxide
What is the general form of a decomposition reaction?
A) A-B --> A
B) A*B --> A^2
C) AB --> A+B
D) A+B --> AAB
C) AB --> A+B
In what state of matter do particles have the most energy?
Gas
In the periodic table, what does the atomic number represent?
The number of protons in an atom’s nucleus