acids + bases Flashcards
1
Q
name some acids
A
- hydrochloric acid
- sulfuric acid
- nitric acid
2
Q
name some alkalis
A
- copper oxide
- sodium hydroxide
- calcium carbonate
3
Q
what do acids have in solution
A
hydrogen ions
4
Q
colour indicators
A
- universal indicators
- methyl orange
- litmus
5
Q
what are pH values
A
shows how acidic substance is
1 = very acidic
7 = neutral
14 = very alkaline
6
Q
what are H+ ions
A
protons
7
Q
acid + alkali
A
-> salt + water
8
Q
how do strong acids dissociate
A
fully
9
Q
how do weak acids dissociate
A
partially
10
Q
what are metal oxides
A
basic
11
Q
what are non metals
A
acidic
