Acid and Alkalis Flashcards
1
Q
What are strong acids?
A
they ionise completely
2
Q
What are weak acids?
A
Don’t fully ionise
3
Q
What is an acid?
A
a substance that forms aqueous solutions with a PH less than 7
4
Q
What are examples of weak acids?
A
- Citric acid
- carbonic acid
5
Q
What is strength in an acid?
A
how much and acid dissociates
6
Q
What is concentration in an acid?
A
the amount of acid dissolved in a solvent
7
Q
What is the pH of acids?
A
0 to 6
8
Q
What is the pH of something neutral?
A
7
9
Q
What is the pH of alkalis?
A
8 to 14
10
Q
what is neutralisation?
A
when an acid and a base react to form water and a salt and involves the combination
11
Q
What is neutralisation examples?
A
acid +alkali –> salt + water
acid + metal oxide –> salt + water
12
Q
What are salts?
A
an ionic compound
13
Q
What are examples of salts?
A
hydrochloric acid -> chloride
