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12th Grade Detergents Quizzes, Questions & Answers

12th Grade

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Environmental Degradation: Biodegradability of LAS Quiz

This assessment explores environmental degradation with a focus on the biodegradability of Linear Alkylbenzene Sulfonates (LAS). It evaluates understanding of key concepts related to environmental impact, sustainability, and...

Questions: 15 | Attempts: 10 | Last updated: Mar 6, 2026

Sample Question 1
Why did the industry shift from Branched Alkylbenzene Sulfonates (ABS) to Linear Alkylbenzene Sulfonates (LAS)

LAS is cheaper to produce

LAS is more easily broken down by bacteria

ABS is too heavy to dissolve

LAS produces more foam

Sample Question 2
The presence of a benzene ring in LAS makes it entirely non-biodegradable

True

False

Sample Question 3
Which metabolic process is the first step in the primary biodegradation of an LAS molecule

Hydrolysis of the sulfate group

Omega-oxidation of the terminal carbon

Nuclear fusion of the benzene ring

Evaporation of the hydrophilic head

12th Grade Detergents Quizzes, Questions & Answers

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