Edexcel IGCSE Chemistry 4 50c Biodegradable Polyesters Topic Practice

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Pearson Edexcel International GCSE Chemistry

1 Principles of chemistry

(a) States of matter

(b) Elements, compounds and mixtures

(c) Atomic structure

(d) The Periodic Table

(e) Chemical formulae, equations and calculations

(f) Ionic bonding

(g) Covalent bonding

(h) Metallic bonding

(i) Electrolysis

2 Inorganic chemistry

(a) Group 1 (alkali metals) – lithium, sodium and potassium

(b) Group 7 (halogens) – chlorine, bromine and iodine

(c) Gases in the atmosphere

(d) Reactivity series

(e) Extraction and uses of metals

(f) Acids, alkalis and titrations

(g) Acids, bases and salt preparations

(h) Chemical tests

3 Physical chemistry

(b) Rates of reaction

(c) Reversible reactions and equilibria

4 Organic chemistry

(a) Introduction

(f) Carboxylic acids

(h) Synthetic polymers

4.44 Addition polymer formation

4.45 Addition polymer repeat units

4.46 Monomers and repeat units

4.47 Addition polymer disposal

4.48C Polyester formation

4.49C Polyester formulae

4.50C Biodegradable polyesters

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