Please enable JavaScript.
Coggle requires JavaScript to display documents.
11.1 Acids and alkalis - Coggle Diagram
11.1 Acids and alkalis
acids
corrosive
type of acids
strong
weak (vinegar)
litmus paper : turn into red
example
HCl
H2SO4
HNO3
CH3COOH
citric acid (lemon & lime)
methanoic acids : stings
carbonic acid : fizzy drinks
alkalis
litmus : blue
pure alkali : solid except ammonia (gas)
Example
NaOH, KOH, Ca(OH)2,NH3
indicators
indicates whether solution is an acid or alkali
ex: litmus, methyl orange, phenolphthalein
neutral
pure water
aqueous solutions of sodium chloride
pH scale
< 7: acid
7 : alkali
neutral
universal indicator paper
[ ] solution