Ak Flashcards
(37 cards)
What is an acid?
A substance that donates protons (H+) in a solution.
What is an alkali?
A subset of bases that dissolve in water and release hydroxide ions (OH-).
True or False: All acids are soluble in water.
False.
What is the pH range of acids?
0 to 7.
What is the pH range of alkalis?
7 to 14.
Fill in the blank: Acids turn litmus paper ______.
red.
Fill in the blank: Alkalis turn litmus paper ______.
blue.
What is a strong acid?
An acid that completely dissociates in water.
Give an example of a strong alkali.
Sodium hydroxide (NaOH).
What is the neutral pH value?
7.
True or False: A weak acid only partially dissociates in solution.
True.
What is the chemical formula for hydrochloric acid?
HCl.
What is the chemical formula for sodium hydroxide?
NaOH.
What type of reaction occurs when an acid reacts with an alkali?
Neutralization reaction.
Which ion is responsible for the acidic properties of a solution?
Hydrogen ion (H+).
Which ion is responsible for the basic properties of a solution?
Hydroxide ion (OH-).
What happens to the pH of a solution when an acid is added?
The pH decreases.
What happens to the pH of a solution when an alkali is added?
The pH increases.
Fill in the blank: Acids can react with ______ to produce salt and water.
alkalis.
What is the term for a solution with a pH of 7?
Neutral solution.
What is sulfuric acid commonly used for?
Batteries and industrial processes.
What is the primary use of sodium hydroxide?
Drain cleaners and soap making.
True or False: Acids can conduct electricity.
True.
What type of acid is acetic acid?
Weak acid.
