Chapter 1- Alkalis And Acids Flashcards
1
Q
What do acids contain?
A
Acids contain hydrogen ions [H+]
2
Q
What are some examples of acids?
A
HCL hydrochloric acid
H2SO4 sulphuric acid
HNO3 nitric acid
Vinegar, lemon juice,etc
3
Q
What are acids pH levels?
A
Acids have a pH of <7
4
Q
What are alkali pH levels?
A
Alkalis have pH>7
5
Q
What do Alkalis contain?
A
Alkalis contain hydroxide ions [OH-]
6
Q
What are some examples of Alkalis?
A
NaOH sodium hydroxide
Bleach,toothpaste,washing liquid
7
Q
Why does pH matter
A
The pH of an acid depends on the concentration of hydrogen ions it contain
8
Q
What is concentration?
A
The concentration of a solution is the number of particles per unit volume
