What makes soap work against bacteria? - Test
  • 1. What is the primary component of soap?
A) Sugars
B) Proteins
C) Minerals
D) Fatty acids
  • 2. How does soap work to remove bacteria?
A) Increasing temperature
B) Absorbing water
C) Disrupting cell membranes
D) Tightening cell walls
  • 3. Why is soap better than plain water for cleaning?
A) It removes oil and grease
B) It is more acidic
C) It sterilizes surfaces
D) It smells better
  • 4. What types of bacteria does soap effectively remove?
A) Only gram-negative
B) Only gram-positive
C) Both gram-positive and gram-negative
D) None
  • 5. What is the minimum washing duration recommended for effectiveness?
A) 1 minute
B) 10 seconds
C) 5 seconds
D) 20 seconds
  • 6. What happens to soap molecules in water?
A) They solidify
B) They evaporate
C) They form micelles
D) They precipitate
  • 7. How does soap impact the environmental surface tension?
A) Makes it sticky
B) Has no impact
C) Reduces it
D) Increases it
  • 8. Why is it important to rinse with water after using soap?
A) To remove the soap and trapped germs
B) To activate the soap
C) To dilute the soap
D) To cool down
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