acids and alkalis Flashcards
1
Q
was are acids known as
A
proton doners
2
Q
what are bases and alkalis known as
A
proton acceptors
3
Q
what colour does litmas paper change
A
red if acidic
blue if alkaline
3
Q
what colour does phenolphthalein change
A
colourless if acidic
bright pink in alkaline
4
Q
what colour does methyl orange go
A
red if acidic
yellow if alkaline
5
Q
what does an acid plus a base create
A
salt + water
6
Q
what salts does hydrochloric acid create
A
chloride salts
7
Q
2HCl + CuO
A
CuCl2 + H2O
8
Q
HCl + NaOH
A
NaCl + H20
8
Q
HNO3 + KOH
A
KNO3 + H2O
8
Q
HNO3 + NH3
A
NH4NO3
8
Q
A
9
Q
2HCl + Na2CO3
A
2NaCL + H2O + C02
9
Q
what are titrations
A
this is to find out exactly how mach acid is need to neutralise and quantity of alkali (or vise versa)
9
Q
acid + metal Carbonate
A
Salt + Water + Carbon Dioxide
