Hair Oil Quiz

Afro-textured hair has more _____

• lipids

• proteins

• carbohydrates

• nucleic acids

Why is tightly coiled hair favourable in the environment of early Africa?

• It facilitated rapid drying after exposure to water.

• It allowed for easy detection of parasites and insects.

• It helps block sunlight and catch water droplets to retain moisture

• It provided natural insulation against cold temperatures.

What is sebum?

• A type of hair dye used for coloring hair.

• The primary source of moisture in the hair and acts to protect the hair follicle.

• A substance secreted by sweat glands to cool the body.

• A protein that strengthens the hair shaft.

What is an example of a polar material?

• Oxygen gas (O2)

• Iron (Fe)

• Sodium chloride (NaCl)

• Water (H2O)

Polar and non-polar substances do mix

• True

• False

Which of the following best describes non-polar molecules?

• They have charges present at the end due to their asymmetrical structure.

• They are highly reactive due to the distribution of electrons.

• They lack charges at the end because they are symmetrical and have evenly distributed electrons.

• They exhibit strong polarity due to the arrangement of atoms within the molecule.

Oils are polar and different oils can be mixed together to give us an oil treatment

• True

• False

What process involves extracting chemical compounds or flavors from plant material in a solvent?

• Distillation

• Filtration

• Crystallization

• Infusion

What factors influence the strength of an infusion?

• The amount of herb added and the temperature of the oil

• The size of the container used for infusion

• The pH level of the solvent

• The duration of exposure to air and light

Which of the following properties is associated with rosemary?

• Antibacterial properties

• Antioxidant properties

• Anti-inflammatory properties

• Antifungal properties