Practice Removal Of Dirt – The Cleaning Process (11.3.3)

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8 questions

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6 sample questions

Question 1.
What is loosely held dirt?
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Think about dirt that you can clean without much effort.
Question 2.
Name a common solvent used in cleaning.
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Consider household items that can dissolve grease.
3Question 3.
What type of dirt can be easily brushed off?
- A) Tightly held dirt
- B) Loosely held dirt
- C) Both
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Think about what 'loosely' means.
4Question 4.
True or False: Water alone can remove all types of dirt.
- True
- False
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Consider what happens when water meets grease.
Question 5.
You have a shirt with both oily and dusty stains. Describe the steps you would take to clean it effectively.
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Break down the cleaning process into manageable steps.
Question 6.
In a laundry experiment, your results showed redeposition of dirt after washing. Investigate possible reasons and suggest solutions.
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Think about how each element interacts in the washing process.

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