Alkalis/Acids ChemistryTest Flashcards
What is the pH range of acids?
0 to 6
True or False: Alkalis are substances that can neutralize acids.
True
What is the chemical formula for hydrochloric acid?
HCl
Fill in the blank: The pH of pure water is ____.
7
What is the definition of a strong acid?
An acid that completely dissociates in solution.
Which of the following is a common alkali? A) HCl B) NaOH C) H2SO4
B) NaOH
What is the process called when an acid reacts with a base?
Neutralization
True or False: All alkalis are bases, but not all bases are alkalis.
True
What ion is responsible for the acidic properties of a solution?
H+ (hydrogen ion)
What is the chemical formula for sulfuric acid?
H2SO4
Fill in the blank: A solution with a pH of 14 is considered ____.
strongly basic
What is a common indicator used to test pH?
Litmus paper
What type of reaction occurs when an acid and a metal react?
Single displacement reaction
What is the difference between a strong base and a weak base?
A strong base completely dissociates in solution, while a weak base partially dissociates.
Which of the following is NOT an acid? A) Acetic acid B) Sodium hydroxide C) Citric acid
B) Sodium hydroxide
What is the formula for sodium hydroxide?
NaOH
True or False: Acids can taste sour.
True
What happens to the pH of a solution when an acid is added?
It decreases
What is the term for a substance that changes color in response to pH?
pH indicator
Fill in the blank: A neutralization reaction produces ____ and ____.
water and a salt
What is the primary use of antacids?
To neutralize stomach acid
What is the effect of a base on litmus paper?
Turns blue
Identify the following as an acid, base, or neutral: NaCl.
Neutral
What is the name of the acid in vinegar?
Acetic acid
True or False: A base has a slippery feel.
True
Which gas is produced when an acid reacts with a carbonate?
Carbon dioxide (CO2)
