Chemistry Key Word Definitions (H)

?
What is hard water?
Water in which it is difficult to form a lather with soap. It contains calcium and/or magnesium ions react with soap to produce scum.
1 of 8
Hardening is...?
The process of reacting plant oils with hydrogen to raise their melting point. This is used to make spreadable margarine.
2 of 8
Wat is the homologous series?
A group of related organic compounds that have the same functional group, e.g. the molecules of the homologous series of alcohols all contain the -OH group.
3 of 8
Hydrated describes...?
A substance that contains water in its crystals, e.g. hydrated copper sulfate.
4 of 8
What is a hydrocarbon?
A compound containing only hydrogen and carbon.
5 of 8
What is hydrogenated oil?
Oil which has had hydrogen added to reduce the degree of unsaturation in the hardening process to make margarine.
6 of 8
What is hydrophilic?
The water-loving part of an emulsifier molecule.
7 of 8
What is hydrophobic?
The water-hating part of an emulsifier molecule.
8 of 8

Other cards in this set

Card 2

Front

Hardening is...?

Back

The process of reacting plant oils with hydrogen to raise their melting point. This is used to make spreadable margarine.

Card 3

Front

Wat is the homologous series?

Back

Preview of the front of card 3

Card 4

Front

Hydrated describes...?

Back

Preview of the front of card 4

Card 5

Front

What is a hydrocarbon?

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar Chemistry resources:

See all Chemistry resources »See all Chemistry Key Word Definitions (H) resources »