Which is an example of tribasic acid?
Phosphoric acid
Sulphuric acid
Oxalic acid
Carbonic acid
A liquid hygroscopic substance is
Ammonium hydroxide
Sodium carbonate
Magesium chloride
HBr
C2H5OH
salt solution
Iron (III) chloride
What type of salt is disodium potassium phosphate (Na2KPO4) ?
Normal salt
Mixed salt
Double salt
Complex salt
In nature Oxides of metals are
acidic
basic
Neutral
None