acids Flashcards
(6 cards)
1
Q
what is meant by the term alkali
A
a base that releases OH- ions in aqueous solutions
2
Q
what is meant by the term standard solution
A
a solution of known concentration
3
Q
what is meant by a base
A
a substance which readily accepts H+ ions from a acid
4
Q
strong acids
A
fully dissociate in water ( break into their ions)
e.g HCI = H+ + Cl-
5
Q
weak acids
A
partially dissociate in water
-irrevisble reactions
-its at equilibrium
Ch3COOH — H+ + Ch3COO-
6
Q
neutralisation
A
neutralisation
H+ + base = salt + water
an acid will fizz when a gas is being produced
MASH
metal + acid = salt + hydrogen
acid + carbonate = salt + water + carbon dioxide
