Materials

Question 1

What is the general formula for alcohols?

Answer 1

CnH2n+1OH, the functional group for alcohols is -OH

Question 2

What is fermentation?

Answer 2

When glucose is turned into ethanol by yeast, carbon dioxide is also produced in the reaction

Question 3

What functional group do carboxylic acids have?

Answer 3

-COOH

Question 4

What is the general formula for carboxylic acids?

Answer 4

Cn2n+1COOH

Question 5

What is the word equation for carboxylic acids reacting with metal carbonates?

Answer 5

Carboxylic acid + metal carbonate → salt + water + carbon dioxide

Question 6

What is the general reaction between a metal and carboxylic acids?

Answer 6

Metal + acid → salt + hydrogen

Question 7

What do carboxylic acids dissolve in water to form?

Answer 7

Acidic solutions

Question 8

What are nanoparticles useful for?

Answer 8

Sunscreens and lightweight strong materials

Question 9

Why are nanoparticles good catalysts?

Answer 9

They have very high surface area:volume ratios

Question 10

What are the main properties of glass ceramics?

Answer 10

• Hard but brittle

- Transparent and poor conductors of heat and electricity

Question 11

What are the main properties of clay ceramics?

Answer 11

• Opaque and hard but brittle

- Poor conductors of electricity

Question 12

What are the main properties of polymers?

Answer 12

• Poor conductors of heat and electricity

- Tough and ductile

Question 13

What are the main properties of metals?

Answer 13

• Can be polished to shine
• Good conductors of heat and electricity
• Hard tough and ductile