Q3 M2 - SOAPS & DETERGENTS

What are soaps made of?

• bubbles
• carbohydrates
• fats & oils
• tide

What do soaps and detergents work as?

• They don’t do it.
• They are surfactants that wash away dirt and grease.
• They stick to the surface of clothes and don’t cease off.
• Detergents only clean clothes, but soaps clean everything.

What are detergents made of?

• bubbles
• dirt
• fats
• synthetic chemicals

What is the process of making soap?

• communication
• freezing fats and oils
• saponification
• mixing together random ingredients

What is the scientific term for “water-loving”?

• hydraulic
• hydrophilic
• hydrophobic
• hydroxide

What is the charge of the “water-loving” end of the soap molecule?

• negative
• either positive or negative
• positive
• neither positive nor negative

What is the scientific term for “water-hating”?

• hydraulic
• hydrophilic
• hydrophobic
• hydroxide

What are the two compositions of hard water? Calcium and __________ salts.

• magnesium
• potassium
• sodium
• zinc

What is the type of water that produces the greatest lather of bubbles?

• any type
• hard
• not so hard
• soft

What soaps and detergents are easily broken down by bacteria in the environment to form harmless substances?

• biodegradable
• environmentally harmful
• environmentally harmful
• non-biodegradable