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Question 1 of 20

1.0 Points Which of the above is an LAS detergent? A. 1 B. 2 C. 3 D. 4 E. 5 F. 6 G. 7 H. 8 I. 9 J. 10 Reset Selection

Question 2 of 20

1.0 Points Which is the biodegradable anionic detergent? A. 1 B. 2 C. 3 D. 4 E. 5 F. 6 G. 7 H. 8 I. 9 J. 10 Reset Selection

Question 3 of 20

1.0 Points Which of the above is a cationic surfactant? A. 1 B. 2 C. 3 D. 4 E. 5 F. 6 G. 7 H. 8 I. 9 J. 10 Reset Selection

Question 4 of 20

1.0 Points Which of the above is a nonionic detergent? A. 1 B. 2 C. 3 D. 4 E. 5 F. 6 G. 7 H. 8 I. 9 J. 10 Reset Selection

Question 5 of 20

1.0 Points Which is a soap? A. 1 B. 2 C. 3 D. 4 E. 5 F. 6 G. 7 H. 8 I. 9 J. 10 Reset Selection

Question 6 of 20

1.0 Points Which two substances would NOT be used together in the same cleanser? A. 1 and 8 B. 5 and 8 C. 1 and 7 D. 3 and 7 Reset Selection

Question 7 of 20

1.0 Points Which substance is bathtub ring? A. 1 B. 2 C. 3 D. 4 E. 5 F. 6 G. 7 H. 8 I. 9 J. 10 Reset Selection

Question 8 of 20

1.0 Points Choose the molecule, most closely resembling soap, that would not exhibit any detergency? A. 1 B. 2 C. 3 D. 4 E. 5 F. 6 G. 7 H. 8 I. 9 J. 10 Reset Selection

Question 9 of 20

1.0 Points Which molecule is added to laundry detergent formulations as an optical brightener? A. 1 B. 2 C. 3 D. 4 E. 5 F. 6 G. 7 H. 8 I. 9 J. 10 Reset Selection

Question 10 of 20

1.0 Points Which molecule will exhibit germicidal action? A. 1 B. 2 C. 3 D. 4 E. 5 F. 6 G. 7 H. 8 I. 9 J. 10 Reset Selection

Question 11 of 20

1.0 Points Any agent, including soap, that stabilizes the suspension of non-polar substances, such as oil and grease, in water is called a . A. soap B. detergent C. micelle D. surfactant Reset Selection

Question 12 of 20

1.0 Points ABS detergents turned out to be a not-so-viable alternative to soaps since A. their detergent action was much less effective than that of soap. B. propylene, a starting material for the manufacture of ABS detergents, was being requisitioned for parachute cloth during the war. C. sewage treatment microorganisms were unable to break down the branched hydrocarbon chains of the detergents. D. sewage treatment microorganisms degraded the detergent too quickly resulting in foaming municipal water supplies. Reset Selection

Question 13 of 20

1.0 Points According to Hill and Kolb, the first cleaners were probably A. detergents. B. lye-based soaps. C. saponins. D. plant ashes. Reset Selection

Question 14 of 20

1.0 Points Plant ashes react with water to form A. acidic solutions. B. alkaline (basic) solutions. C. detergents. D. soaps. Reset Selection

Question 15 of 20

1.0 Points Soap is A. a glycerol ester. B. a salt of a fatty acid. C. sodium carbonate. D. trisodium phosphate. Reset Selection

Question 16 of 20

1.0 Points Floating soaps are soaps. soaps. foamed polystyrene.) A. composed of short chain fatty acids and have lower densities than other B. composed of short chain fatty acids and have higher densities than other C. composed of branched chain fatty acids. D. infused with air during processing (something like the processing of E. not soaps at all, but detergents, which are always less dense than soaps. Reset Selection

Question 17 of 20

1.0 Points Water softening systems will remove all of the following ions except A. Ca2+ B. Mg2+ C. Fe2+ D. Na+ Reset Selection

Question 18 of 20

1.0 Points Which water softener will "tie up" metal ions AND keep them in solution? A. sodium carbonate B. sodium phosphate C. fatty acids D. zeolites Reset Selection

Question 19 of 20

1.0 Points Soaps are A. anionic surfactants. B. cationic surfactants. C. nonionic surfactants. D. neutral surfactants. Reset Selection

Question 20 of 20

1.0 Points Cationic surfactants are not the best detergents; they are used mainly for their action. A. foaming B. lively C. germicidal D. bleaching Reset Selection

Explanation / Answer

1 a

2 f

3 h

4 c

5 a

6c

7 b

8a

9 c

10 b

11 d

12 c

13 c

14a

15 b

16 b

17 b

18 b

19 d

20d

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