Understanding Dry Cleaning: A Comprehensive Quiz

What is the main reason dry cleaning is not considered 'dry'?

• It uses steam to clean clothes.

• It involves a dry powder for cleaning.

• It uses wet chemicals instead of water.

• It uses water to clean clothes.

Why do certain fabrics like wool and silk require dry cleaning?

• They are too heavy for regular washing machines.

• They are too delicate for any cleaning.

• They are nonpolar and repel water.

• They have polar molecules that react with water.

What was a major drawback of using gasoline for dry cleaning in the 1800s?

• It was too expensive.

• It left clothes smelling like gasoline.

• It was ineffective at removing stains.

• It caused clothes to shrink.

What is a significant health concern associated with perchloroethylene (perc)?

• It can cause long-term liver damage.

• It is ineffective at cleaning clothes.

• It is highly flammable.

• It causes immediate skin burns.

Which state banned the use of perc in all dry cleaning operations in 2023?

• New York

• Florida

• Texas

• California

What is a benefit of using high-flashpoint hydrocarbons as a dry cleaning solvent?

• They are completely non-flammable.

• They are cheaper than other solvents.

• They dissolve polar compounds effectively.

• They are less flammable than gasoline.

What makes butylal a potentially safer alternative for dry cleaning?

• It evaporates quickly.

• It is cheaper than other solvents.

• It is completely non-toxic.

• It is somewhat biodegradable.

What is a major limitation of using liquid carbon dioxide for dry cleaning?

• It is more expensive than perc.

• It does not remove polar compounds well.

• It is highly toxic.

• It requires high temperatures.

How does professional wet cleaning differ from regular washing?

• It uses no detergents.

• It uses a high-tech washing machine.

• It uses more water.

• It is only for non-delicate clothes.

What is a challenge faced by professional wet cleaning?

• It cannot clean any type of stain.

• It struggles with oil-based stains.

• It is more expensive than dry cleaning.

• It damages delicate fabrics.