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WorksheetsChe Chapter 5
Total questions: 14
Worksheet time: 7mins
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.
Preservatives are added to food
To give a better taste.
To make it colourful.
So food will stay good for longer time.
Sweeteners are added to food
to make food more colourful.
to make food more sweet.
so food will stay good for longer.
Additives make food taste and look better and make food stay good for longer.
True
False
Excessive use of artificial additives may be harmful for your health and cause diarrhoea, rash and itching.
True
False
