Science with Hazel’s Perfect Answer Revision Guides for Edexcel IGCSE Double Science are available at
TOPIC TIMINGS:
Solids, liquids & gases 0:46
Solutes, solvents & solutions 4:06
Elements, compounds & mixtures 5:00
Separation techniques 7:09
Periodicity 10:25
Metals & non-metals 16:29
Balancing equations 17:53
Mole calculations 20:12
Writing the formulae of common compounds 34:44
Ionic bonding 39:05
Covalent bonding 43:55
Giant and simple molecular structures 47:17
Group 1 elements (alkali metals) 51:33
Group 7 elements (halogens) 54:39
Gases in the atmosphere 56:31
The reactivity series 1:00:39
Rusting 1:02:35
Indicators 1:04:44
Acids & alkalis 1:05:35
Salts 1:05:46
Chemical tests 1:12:33
Energetics 1:16:36
Rates of reaction 1:23:28
Reversible reactions and equilibria 1:25:53
Organic chemistry 1:28:18
Addition polymerisation 1:44:45
These videos are designed to help with your GCSE and IGCSE science revision.
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Hazel completed her undergraduate degree at St John’s College, the University of Cambridge. She then did a PGCE (Post-Graduate Certificate of Education) before qualifying as a science teacher. She now works full time as a professional tutor.
