salts and neutralisation Flashcards
1
Q
what equation links metals,acid ,a salt ,hydrogen
A
metal +acid- a salt +hydrogen
2
Q
what happens if the metal is very reactive
A
the reaction with acid is too violent to be carried out safetly
3
Q
what are salts made up from
A
postive metal ions
4
Q
what occurs when an acid reacts to a base
A
neutraislation
5
Q
what is hydrochloric acid reacting with soduim hydroxide an example of
A
acid and alkali neutraislation
6
Q
what number is most acidic
A
0
7
Q
what number is most alkali
A
14
8
Q
which number is pure water
A
7
9
Q
what number is baking soda
A
8
10
Q
what number is washing soda
A
9
11
Q
A