Name : ___________________________
Date: ________________
Score: _______________
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
________ Chlorine is highly effective on variety of bacteria.
________ Chlorine is irritating to the skin.
________ Iodine is not affected by hard water.
________ Iodine effectiveness decreases significantly with an increase in acidity.
________Quaternary ammonium is odorless and non-corrosive.
________ Quaternary ammonium is not compatible with some detergents.
________One disadvantage of Iodine is not affected by hard water.
________ A disadvantage of quaternary ammonium is non irritating.
________ One advantage of Iodine is corrosive.
_______ Iodine should be used in water with 48-degress Celsius or hotter.
5 points: Cite/Give importance of knowing the advantages and disadvantages of different chemical sanitizers.
__________________________________________________________________________________
Name : ___________________________
Date: ________________
Score: _______________
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
________ Chlorine is highly effective on variety of bacteria.
________ Chlorine is irritating to the skin.
________ Iodine is not affected by hard water.
________ Iodine effectiveness decreases significantly with an increase in acidity.
________Quaternary ammonium is odorless and non-corrosive.
________ Quaternary ammonium is not compatible with some detergents.
________One disadvantage of Iodine is not affected by hard water.
________ A disadvantage of quaternary ammonium is non irritating.
________ One advantage of Iodine is corrosive.
_______ Iodine should be used in water with 48-degress Celsius or hotter.
5 points: Cite/Give importance of knowing the advantages and disadvantages of different chemical sanitizers.