acids, bases, salts Flashcards
What is the definition of an acid?
An acid is a substance that donates protons (H+) in a chemical reaction.
What is the definition of a base?
A base is a substance that accepts protons (H+) or donates hydroxide ions (OH-) in a chemical reaction.
True or False: Acids have a pH less than 7.
True
What is the pH range for bases?
The pH range for bases is greater than 7.
Fill in the blank: A solution with a pH of 7 is considered _____ .
neutral
What is the common use of hydrochloric acid (HCl)?
Hydrochloric acid is commonly used in stomach digestion and industrial applications.
Which of the following is a strong acid: A) Acetic acid B) Sulfuric acid C) Carbonic acid?
B) Sulfuric acid
What term describes substances that can act as both acids and bases?
Amphoteric substances
True or False: All acids taste sour.
True
What is the chemical formula for sodium hydroxide?
NaOH
What do we call the reaction between an acid and a base?
Neutralization reaction
Fill in the blank: Salts are formed when an acid reacts with a _____ .
base
What is the primary component of vinegar?
Acetic acid
Which indicator turns red in acidic solutions?
Litmus paper
What is the formula for carbonic acid?
H2CO3
True or False: Bases feel slippery to the touch.
True
What is the result of mixing hydrochloric acid with sodium bicarbonate?
Carbon dioxide gas is produced.
What is the term for the strength of an acid or base?
Acidity or Basicity
Which acid is commonly found in citrus fruits?
Citric acid
What is the chemical formula for potassium nitrate, a common salt?
KNO3
Fill in the blank: A solution that contains a high concentration of OH- ions is called a _____ solution.
basic
What is the ion produced when an acid dissociates in water?
Hydronium ion (H3O+)
True or False: Salts do not conduct electricity in solution.
False
What is the term for a base that completely dissociates in solution?
Strong base
