Chemistry Homework

I'm stuck on my Chemistry homework and I really need some help!

2. Explain how you could distinguish between aqueous solutions of;

i) Hydrochloric acid and Sodium Chloride.
ii) Sodium Carbonate and Sodium Sulphate.
iii) Iron(II) Bromide and Iron (III) Bromide.

Thanks a lot!

Google is your best friend :3

Yeah I finally found the answers. Misread the question lol.