R-Hydrophilic and Hydrophobic Concepts

What is the main topic discussed in this video?

• The properties of different types of water

• The meaning of "hydro" in scientific terms

• Hydrophilic and hydrophobic substances

• How to make waterproof materials

What does the prefix "Hydro" refer to?

• Heat

• Water

• Light

• Air

What does the suffix "Philic" or "Phil" mean?

• Fear of

• Strong attraction or affinity for

• Repulsion from

• Neutrality towards

What is a bibliophile?

• Someone who loves to write

• Someone who loves books

• Someone who loves libraries

• Someone who loves to read

What is the literal meaning of philanthropy?

• Love of animals

• Love of nature

• Love of humanity

• Love of money

What does the suffix "Phobia" or "Phobic" indicate?

• Attraction to

• Fear of

• Understanding of

• Creation of

What is arachnophobia?

• Fear of heights

• Fear of enclosed spaces

• Fear of spiders

• Fear of public speaking

What does "Hydrophobic" mean in relation to water?

• Water-loving

• Water-absorbing

• Water-fearing or water-hating

• Water-neutral

What does "Hydrophilic" mean in relation to water?

• Water-fearing

• Water-loving

• Water-repelling

• Water-resistant

What is a key characteristic of hydrophilic substances?

• They repel water.

• They dissolve in water.

• They are always non-polar.

• They are used in waterproof fabrics.