Reaction of acids Flashcards
1
Q
what is an acid in terms of pH?
A
solution with pH less than 7
2
Q
in terms of pH what is a neutral solution?
A
with a pH of 7
3
Q
in terms of pH what is an alkaline
A
pH over 7
4
Q
in terms of H+ ions what is an acid?
A
a substance that releases H+ ions when dissolved in water
5
Q
how is amount of H+ ions in a solution related to its pH?
A
more H+ ions , lower pH
6
Q
how do you measure pH
A
universal indicator
pH probe
litnus paper
7
Q
what is a salt?
A
compound formed when a metal ion takes the place of a hydrogen ion in an acid
8
Q
what is a base?
A
substance that reacts with acids in neutralisation reactions
9
Q
how can you obtain a solid salt from a solution?
A
crystallisation
10
Q
ionic equation between an acid and an alkali
A
(H+) + (OH-) -> H2O
