Which of These Is Not a Problem Associated with Soap

question 8

Multiple Choice

Which of these is not a problem associated with soap in hard water?

• A) Formation of non-biodegradable products
• B) Formation of bathtub rings
• C) Formation of insoluble precipitates
• D) Formation of gray films on dishes and clothes
• E) None of these

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Definitions:

DDT

A synthetic insecticide used historically for mosquito control, now largely banned due to its environmental toxicity.

Pesticides

Chemicals used to kill or control pests affecting plants or animals, including insects, weeds, and fungi, often used in agriculture to protect crops.

Mainline Christian Churches

Traditional Protestant denominations in the United States that have historically had a significant influence on American society and culture.

Cold War Era

The period roughly from the end of World War II in 1945 until the dissolution of the Soviet Union in 1991, characterized by political tension and military rivalry between the US and the USSR, without direct military conflict.