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Questions and Answers
In the context of soap properties, what role do hydrophobic and hydrophilic groups play in emulsifying oily dirt?
In the context of soap properties, what role do hydrophobic and hydrophilic groups play in emulsifying oily dirt?
- Facilitating the dispersion of the dirt in water (correct)
- Preventing the formation of micelles
- Attracting the dirt particles to form clumps
- Enhancing the evaporation of water from the dirt
When soap is added to water, why does micelle formation occur?
When soap is added to water, why does micelle formation occur?
- To enhance the cleaning power of water
- To increase the solubility of soap in water
- To trap oily dirt within the micelle core (correct)
- To decrease the surface tension of water
How can ethanol and ethanoic acid be differentiated based on their physical properties?
How can ethanol and ethanoic acid be differentiated based on their physical properties?
- By their solubility in water
- By their boiling points (correct)
- By their color in solid form
- By their reaction with metals
Explain why carbon and its compounds are commonly used as fuels for most applications.
Explain why carbon and its compounds are commonly used as fuels for most applications.
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When hard water is treated with soap, what leads to the formation of scum?
When hard water is treated with soap, what leads to the formation of scum?
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