Che Chapter 5

Making soap

• saponification/neutralisation

• Sulfonation ,Neutralisation

Making detergent

• saponification/neutralisation

• Sulfonation ,Neutralisation

tail

• hydrophobic

• hydrophilic

Head

• hydrophobic

• hydrophilic

Dissolve in water

• hydrophobic

• hydrophilic

Dissolve in grease and oil

• hydrophobic

• hydrophilic

Form scum in hard water (Mg, Ca)

• soap

• detergent

Form soluble salt in hard water (Mg, Ca)

• soap

• detergent

Things added to food to make them taste better, look better and stay good for longer time are called;

• Food allergy.

• Food additives.

• Food poisioning.

Colouring are added to food to

• Give a better taste.

• Adds colour and make it look better.

• Make food sweet.