pH Flashcards
1
Q
What is the pH scale range?
A
The pH scale ranges from 0 to 14.
2
Q
True or False: A pH of 7 is considered neutral.
A
True.
3
Q
Fill in the blank: A substance with a pH less than 7 is classified as an __________.
A
acid.
4
Q
What do we call substances with a pH greater than 7?
A
Alkalies or bases.
5
Q
Which of the following is a strong acid? (a) Vinegar (b) Hydrochloric acid (c) Baking soda
A
b) Hydrochloric acid.
6
Q
What pH value is commonly associated with strong acids?
A
A pH value close to 0.
7
Q
True or False: Lemon juice has a pH less than 7.
A
True.
8
Q
What is the pH of pure water?
A
7.
9
Q
Fill in the blank: The process of neutralization occurs when an acid reacts with a __________.
A
base.
10
Q
What is a common indicator used to test pH levels?
A
Litmus paper.
