Chapter 26- Acids And Basses Flashcards
Name three everyday acids
Lemon juice
Rain water
Vinegar
Acid turns blue litmus
Red litmus
Red
Base turns litmus ______
Blue
B.lue for B.ase
Acids have a ____ pH
Low
Bases have a ____ pH
High
Name three lab bases
- sodium hydroxide (NaOH)
- calcium carbonate (CaCO3)
- Limewater (Ca(OH)2)
Name three everyday bases
Toothpaste
Bleach
Indigestion tablets
Alkali
A base that is soluble in water
Neutral
A group of substance with a pH of 7
Neither acidic or basic
To create your own indicator
Boil red cabbage leaves
Universal indicator levels
Red (1pH)
|orange
|yeallow
|green
|/
Purple/Blue (14pH)
Neutralisation
Acid+base-> salt + water
Give an example of neutralisation
Dilute Hydrochloric acid + Sodium Hydroxide = salt+carbon dioxide +water
HCL+ NaOH = NaCh + Co2 + H2O
Titration
Allows you to find out exactly how much acid is needed to neutralise a base
Pipette measures
Base
Eg NaOH