Common Compounds - Double Salts

Question 1

CaOClCl or CaOCl2

Answer 1

calcium chloride hypochlorite

bleaching powder

Question 2

K2SO4∙Al2(SO4)3∙24H2O or KAl(SO4)2∙12H2O

Answer 2

potassium aluminum sulfate dodecahydrate

alum, tawas

Question 3

KNaC4H4O6

Answer 3

potassium sodium tartrate

Rochelle/Seignette salt

Question 4

KHC4H4O6

Answer 4

potassium acid tartrate / potassium bitartrate

Cream of tartar