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Get Answers to all your Questions
Which of the following statements about synthetic detergents is NOT true?
Synthetic detergents are less likely to form scum in hard water than soap.
Synthetic detergents are generally more effective at removing oily stains than soap.
Synthetic detergents are biodegradable and therefore environmentally friendly.
Synthetic detergents can cause skin irritation and allergic reactions in some people.
Answers (1)
This statement is NOT always true. While some synthetic detergents are biodegradable and environmentally friendly, others are not. Some synthetic detergents contain chemicals that are toxic to aquatic life, and their production can also have negative environmental impacts.
Incorrect option
1) This statement is true. Synthetic detergents are less likely to form scum in hard water than soap because they do not react with the calcium and magnesium ions in hard water, which are responsible for creating the scum.
2) This statement is true. Synthetic detergents are generally more effective at removing oily stains than soap because they can break down the oil and grease molecules more effectively.
4) This statement is true. Some people may experience skin irritation and allergic reactions to synthetic detergents, especially those containing harsh chemicals or fragrances.
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