Edexcel IGCSE Chemistry 3.13 A Catalyst Works By Providing an Alternative 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

3.10 Reversible reactions

3.11 Dynamic equilibrium

3.12 A catalyst is a substance that increases the

3.13 A catalyst works by providing an alternative

3.14C Pressure and equilibrium

3.15 The effect of changing the surface area of

3.16 The effect of different solids on the catalytic

(c) Reversible reactions and equilibria

4 Organic chemistry

(a) Introduction

(f) Carboxylic acids

(h) Synthetic polymers

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