Urinal Cakes: Why?

What is the primary function of urinal deodorizer blocks?

• To clean the urinal bowl.

• To make the urinal smell less unpleasant.

• To prevent water from splashing out.

• To add color to the water.

Which of the following can contribute to urine having a strong odor?

• Drinking a lot of water.

• Eating certain foods like asparagus.

• Getting plenty of sleep.

• Regular exercise.

What chemical compound found in urine has a strong odor, especially when it's highly concentrated or broken down by bacteria?

• Urea

• Uric acid

• Ammonia

• Water

Why did manufacturers start using different chemicals in urinal cakes instead of naphthalene?

• Naphthalene was too expensive.

• Naphthalene was found to be a suspected human carcinogen.

• Naphthalene did not vaporize effectively.

• Naphthalene caused too much foam.