Hydrophobic Coating Quiz

What is the primary function of a hydrophobic coating?

• To attract water molecules

• To prevent water molecules from penetrating surfaces

• To change the color of surfaces

• To increase the weight of objects

Which of the following items was NOT mentioned as an example of using hydrophobic coating?

• Plastic bottle

• Paper towel

• Tissue

• Dinner roll

What was the result of coating only half of the lab coat with hydrophobic spray?

• The coat changed color

• One side stayed dry while the other got wet

• Both sides remained dry

• The entire coat got wet

What was the main issue encountered during the full outfit experiment?

• The outfit became too heavy

• Water got trapped inside the outfit

• The coating dissolved in water

• The water was too cold

Why did the water fill up the rubber boots during the experiment?

• The boots were not coated

• The pocket was not sealed

• The coating was ineffective

• The boots had holes