Misc: vientiane is the capital of?

Questions

The English city of Salisbury stands on which river?

Which horticultural fungicide, consisting of equal parts of copper sulphate and lime, bears the same name as a French port?

Name the evil slave owner and villain in Harriet Becher Stowe's novel "Uncle Tom's Cabin".?

In which classical music suite, would one find "The Market Place at Limoges", and "The Great Gate of Kiev"?

Dogs bark and cows moo, but what does a Khaki Campbell do?