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Question 1 A family of chemicals made by fermenting sugars? Emulsifiers Sugars Alcohols Teflons

Question 2 A mixture of metals, often with special properties? Annoy About Alloy Metallic

Question 3 Clothing that lets the water vapour from sweat escape is said to the property of? Sweatability Breathability Respireability Diffusability

Question 4 What do we call fibres made from carbon atoms only and are stronger than steel? Carbonite Carbon steel Carbon fibre Carbonate

Question 5 What do we call an object that lets energy such as heat or electricity pass through it easily? Insulator Convector Radiator Conductor

Question 6 What do we call not having enough water in your body? Dehydration Degradation Desperation Desertification

Question 7 What do we call the boiling of liquids, cooling then condensing the gas to purify or concentrate the liquid? Boiling Distillation Evaporation Dehydration

Question 8 What do we a chemical that stops the oil and water parts from separating in an emulsion? Emu keeper Emu retainer Emu holder Emulsifier

Question 9 What do we call mixtures of oil and water that do not separate out? Emulsion Gel Foam Suspension

Question 10 The process in which yeast turns sugar into alcohol and carbon dioxide. Dehydration Distillation Fermentation Intoxication

Question 11 Give the name of a special fabric that can breathe but keeps liquid water out? Bore-tex Sore-tex Pore-tex Gore-tex

Question 12 Chemicals that dissolve or mix completely with water are also called water loving? Hydrophilic Hydrophobic Hydrotherapy Thirsty

Question 13 Give the name of very strong plastic fibre that can be used for bullet-proof vests? Dacron Polyester Polycarbonate Kevlar

Question 14 This chemical is found in egg yolk and it acts as an emulsifier in mayonnaise? Mayothin Nanothin Partothin Lecithin

Question 15 What do we call a type of stretchy plastic polymer known by its brand name? Mycra Lycra Dycra Bycra

Question 16 What do we call a very thin layer, or sheet, of material? Member Memo Membrane Memoir

Question 17 Give the name of a nano-sized machine or robot? Nano-mac Nano-gizmo Nano-bot Nano-rob

Question 18 What do we call oil and fats that go off when they react with oxygen. It also makes then taste bad? Ranker Ranter Rankle Rancid

Question 19 Which of the following is a brand of insulating material that is made from polypropene? Sub zero Cold buster Thinsulate Warm maker

Question 20 What do we call the material used to coat non-stick pans? Teflon Seflon Reflon Weflon

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