Chemistry Crossword

4. The rate at which a hydrocarbon turns into gas
5. The process in which electricity is used to break apart a chemical compound
7. A mixture of two metals
8. A substance that speeds up a chemical reaction without being used up
9. Electromagnetic radiation emitted from a hot object
13. An emulsifier molecule which forms chemical bonds with oils but not with water
14. Joining together lots of small alkene molecules to form a polymer
15. A substance which stabilises emulsions stopping them from separating out
16. Fats which have many double bonds
17. A hydrocarbon which has at least one double bond between carbon atoms
18. The chemical change that occurs in the leaves of green plants which uses light energy to convert carbon dioxide and water to glucose
19. The transfer of heat energy through a material without the material itself moving
20. A thermal decomposition reaction which breaks molecules down by heating them
21. The process in which limestone is extracted from the ground
23. A polymer that cannot be broken down
27. A reaction in which oxygen combines with a substance it also means a loss of electrons
28. The electrode in which reduction occurs in electrolysis
29. A natural mineral that contains enough metal to be worth extracting

1. An emulsifier molecule which forms chemical bonds with water but not with oil
2. A molecule made of only carbon and hydrogen atoms with single bonds
3. The break down of a substance into simpler compounds or elements
6. When hydrogen is added to a carbon-carbon multiple bond
10. A base which is soluble in water
11. The centre of the earth that is made up of liquid nickel and iron
12. Fats which have one double bond in each fatty acid
19. The transfer of heat energy through a moving liquid or gas
22. How thick a liquid is, how well it flows
24. A colourless sweet viscous liquid component of fats
25. An emulsifier commonly used in food
26. The electrode where oxidation occurs in electrolysis