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What is the purpose of putting additives in food?
What do food colours do?
What do flavour enhancers do?
What do antioxidants do?
What do emulsifiers do?
What are the 4 advantages of cooking foods?
Is cooking a reversible or irreversible change?
What happens to protein molecules when they are cooked?
What happens to potatoes when they are cooked?
What process does baking powder undergo when it is heated?
What is the word equation for the decomposition of baking powder?
What is the balanced symbol equation for the decomposition of baking powder?
How can carbon dioxide be detected?
How are esters made?
What is the word equation for esterification?
Why are esters used in perfumes?
What is volatility?
Why must perfumes be volatile?
Why are perfumes insoluble in water?
Why has the testing of cosmetics been banned by the EU?
Why will water not dissolve nail varnish?
Why do some people believe that testing cosmetics on animals is justified?
What is a colloid?
Why will the components of a colloid not separate?
What happens to the paint as the solvent evaporates?
How do oil paints dry? (Two Stages)
What are the 3 components in a paint?
How are thermochromic pigments suited to their uses?
How do thermochromic pigments change acrylic paint colours?
How do phosphorescent pigments glow in the dark?
Why are phosphorescent pigments now used?
What bonds do alkanes have?
What bonds do alkenes have?
What does 'unsaturated molecule' mean?
What is a hydrocarbon?
What is the process called when many monomers join together?
What is the product called that this process produces?
How can you test for alkenes?
What conditions are needed for polymerisation to occur?
What type of bonds are in polymers?
What are the favourable properties of Nylon?
Why is GORE-TEX material favourable over Nylon?
How is GORE-TEX breathable yet waterproof?
Why are chemists researching bio-degradable polymers?
Why is it difficult to get rid of plastics?
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What would the properties be of a plastic with weak intermolecular forces?
What are some uses of crude oil?
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