Test Index

JAMB Chemistry 2011 Paper

© africaexams.com

Question : 12

Total: 47

Hardness of water is mainly due to the presence of

calcium hydroxide or magnesium hydroxide
calcium trioxocarbonate (IV) or calcium tetraoxosulphate (VI)
sodium hydroxide or magnesium hydroxide
calcium chloride or sodium chloride salts

Go to Question:

Prev Question

Next Question