A) Proteins
B) Sugars
C) Minerals
D) Fatty acids

A) Absorbing water
B) Disrupting cell membranes
C) Tightening cell walls
D) Increasing temperature

A) It smells better
B) It is more acidic
C) It removes oil and grease
D) It sterilizes surfaces

A) Both gram-positive and gram-negative
B) Only gram-negative
C) None
D) Only gram-positive

A) 20 seconds
B) 1 minute
C) 5 seconds
D) 10 seconds

A) They form micelles
B) They evaporate
C) They precipitate
D) They solidify

A) Reduces it
B) Makes it sticky
C) Has no impact
D) Increases it

A) To activate the soap
B) To remove the soap and trapped germs
C) To dilute the soap
D) To cool down