Chap 2 Flashcards
(26 cards)
What is the pH range of acidic solutions?
The pH range of acidic solutions is less than 7.
True or False: All acids taste sour.
True.
Fill in the blank: Bases are substances that can accept ______.
protons.
What is the chemical formula for hydrochloric acid?
HCl.
Which of the following is a strong base? (a) NaOH (b) CH3COOH (c) H2CO3
a) NaOH.
Define neutralization in the context of acids and bases.
Neutralization is a reaction between an acid and a base that produces salt and water.
What is the effect of carbon dioxide on the pH of rainwater?
Carbon dioxide lowers the pH of rainwater, making it slightly acidic.
True or False: All salts are neutral.
False.
What is the pH of pure water?
The pH of pure water is 7.
What type of reaction occurs when an acid reacts with a metal?
A displacement reaction occurs.
Name a common indicator used to test pH.
Litmus paper.
Which ion is responsible for the acidic nature of a solution?
Hydrogen ion (H+).
Fill in the blank: A substance that changes color in response to pH changes is called a ______.
pH indicator.
What is the chemical formula for sodium bicarbonate?
NaHCO3.
Which acid is commonly found in vinegar?
Acetic acid.
True or False: Bases feel slippery to the touch.
True.
What is the product of the reaction between an acid and a carbonate?
Salt, water, and carbon dioxide.
What is the role of a base in a neutralization reaction?
To neutralize the acid.
What is the term for a solution that has a pH greater than 7?
Basic or alkaline solution.
Which type of acid is citric acid classified as?
Weak organic acid.
Fill in the blank: The process of adding an acid to a base until neutralization occurs is called ______.
titration.
What is formed when an acid reacts with a base?
Salt and water.
True or False: Sodium chloride is an example of a neutral salt.
True.
What is the common name for sulfuric acid?
Battery acid.
