UnScramble this Word: m e d d e d i b?

Questions

What city are you in if you stroll in the piazza san marco & visit torcello, burano & murano?

What has no reflection, no shadow, & can't stand the smell of garlic?

What is added to the ice & water mixture in domestic ice cream makers in order to lower the temperature?

What is the only state with an official state ship & hero?

What mountains are located on the border of Tennessee & North Carolina?