Indexes to
help links for all GCSE and IGCSE science courses
Edexcel International GCSE Chemistry (9-1) IGCSE Chemistry 4CH1 specification -
syllabus
Revision help notes for the
Edexcel International GCSE Chemistry (9-1) IGCSE
Chemistry 4CH1 specification - syllabus exam paper
LINKS to all the sub-indexes on this page
Some important basics of chemistry and of what use is
chemistry?
Methods of separating mixtures
Chemical analysis - chemical tests used in
school/college laboratories
Acids, Alkalis, pH scale, bases, neutralisation, salt
preparations and tests for ions and gases
Water and aspects of aqueous chemistry
The Periodic Table, Periods, Groups and Series of
Elements
Reversible reactions, chemical equilibrium,
ammonia, nitric acid, fertilisers, pollution
Reactivity Series of Metals, Experiments and
Corrosion
The Mining and Extraction of Metals - iron, copper,
aluminium, recycling
More on aspects of industrial chemistry -
applications of chemistry, chemical industry, life cycle assessments
Electrochemistry and Electrolysis
Experiments, fuel cells
What controls the RATE (speed) of chemical reactions?
Including collision theory and experimental procedures
Energy transfer changes in chemistry - exothermic and
endothermic reactions
States of Matter - Gases, Liquids and Solids -
Particle Models
Atomic Structure and Chemical Bonding - ionic,
covalent and metallic
Materials Science - Nanochemistry and Smart
Materials
OIL and its useful products and an Introduction to
Organic Chemistry
Chemical Calculations - how to solve numerical
problems in chemistry
THE SUB-INDEXES
Some
important basics of CHEMISTRY and of
what use is chemistry?
including methods of separating mixtures
Revision help notes for the
Edexcel International GCSE Chemistry (9-1) IGCSE
Chemistry 4CH1 specification - syllabus exam paper
TOP OF PAGE and
sub-index
Chemical
analysis - chemical tests
used in school/college laboratories
Revision help notes for the
Edexcel International GCSE Chemistry (9-1) IGCSE
Chemistry 4CH1 specification - syllabus exam paper
TOP OF PAGE and
sub-index
Acids, Alkalis, pH scale, bases,
neutralisation, salt preparations and tests for ions and gases
Revision help notes for the
Edexcel International GCSE Chemistry (9-1) IGCSE
Chemistry 4CH1 specification - syllabus exam paper
-
INDEX of pH scale, acids,
alkalis, salts
-
Everyday examples of acid-alkali chemistry
and hazard warning symbols
-
pH scale, indicators, ionic theory of acids, alkalis
(bases) & neutralisation
-
Acid reactions with
metals, oxides, hydroxides, carbonates and neutralisation reactions
-
Reactions of bases-alkalis
like sodium hydroxide
-
Methods
of making salts, summary of tests for common ions
-
Making a salt by neutralising a soluble acid with a soluble base (alkali) -
neutralisation reaction
-
Preparing a salt by reacting an acid with a metal or with an
insoluble base - oxide, hydroxide or carbonate
-
Preparing an
insoluble salt by mixing solutions of two soluble compounds
-
Making a
salt by directly combining its constituent elements
-
Changes in pH in a
neutralisation - pH curves graphs
-
Important formulae,
salt solubility and water of crystallisation
-
More on Acid-Base Theory
of Weak and Strong
Acids, examples explained
-
Volumetric titration analysis calculations, acid-alkali titrations
(methods and diagrams of apparatus).
-
Summary of tests for some
common ions
-
Introduction to
qualitative tests and chemical analysis
-
TESTS for
Metal cations (positive ions), metal carbonates, ammonium ion, hydrogen ions (acids)
-
TESTS for Anions (negative ions) including hydroxide
(alkalis)
-
TESTS for Gases,
water and non–metallic elements
TOP OF PAGE and
sub-index
WATER and aspects of aqueous chemistry
Revision help notes for the
Edexcel International GCSE Chemistry (9-1) IGCSE
Chemistry 4CH1 specification - syllabus exam paper
TOP OF PAGE and
sub-index
The
Periodic Table, Periods, Groups and Series of
Elements
Revision help notes for the
Edexcel International GCSE Chemistry (9-1) IGCSE
Chemistry 4CH1 specification - syllabus exam paper
TOP OF PAGE and
sub-index
Reversible
Reactions, Chemical equilibrium, ammonia, nitric acid and fertilisers
Revision help notes for the
Edexcel International GCSE Chemistry (9-1) IGCSE
Chemistry 4CH1 specification - syllabus exam paper
TOP OF PAGE and
sub-index
Reactivity Series of Metals, experiments and Corrosion
Revision help notes for the
Edexcel International GCSE Chemistry (9-1) IGCSE
Chemistry 4CH1 specification - syllabus exam paper
The
Mining and Extraction of Metals
Revision help notes for the
Edexcel International GCSE Chemistry (9-1) IGCSE
Chemistry 4CH1 specification - syllabus exam paper
TOP OF PAGE and
sub-index
More on aspects of
industrial chemistry - applications of chemistry, life
cycle assessments
Revision help notes for the
Edexcel International GCSE Chemistry (9-1) IGCSE
Chemistry 4CH1 specification - syllabus exam paper
-
Limestone, lime
- uses, thermal decomposition of carbonates, hydroxides and nitrates
-
Enzymes and
Biotechnology
-
Contact Process, the importance of sulphuric acid
-
How can
metals be made more useful? (alloys of Al, Fe, steel etc.)
-
The importance of titanium
-
Instrumental Methods of Chemical Analysis
-
Chemical & Pharmaceutical Industry Economics,
Sustainability & Life Cycle Assessment
-
Products of the Chemical & Pharmaceutical Industries & impact on us
-
The Principles & Practice of Chemical
Production - Synthesising Molecules
-
See also
-
Introduction to 'Formulation Chemistry' e.g. cosmetics, shampoos, paints,
pesticides etc.
TOP OF PAGE and
sub-index
Electrochemistry
and Electrolysis
Revision help notes for the
Edexcel International GCSE Chemistry (9-1) IGCSE
Chemistry 4CH1 specification - syllabus exam paper
TOP OF PAGE and
sub-index
What controls
the RATE (speed) of chemical reactions?
Including
collision theory and experimental procedures
Revision help notes for the
Edexcel International GCSE Chemistry (9-1) IGCSE
Chemistry 4CH1 specification - syllabus exam paper
TOP OF PAGE and
sub-index
Energy transfer changes in chemistry - exothermic and
endothermic reactions
Revision help notes for the
Edexcel International GCSE Chemistry (9-1) IGCSE
Chemistry 4CH1 specification - syllabus exam paper
TOP OF PAGE and
sub-index
States of Matter - Gases, Liquids and Solids - Particle
Models
Revision help notes for the
Edexcel International GCSE Chemistry (9-1) IGCSE
Chemistry 4CH1 specification - syllabus exam paper
Atomic Structure and Chemical Bonding - ionic, covalent and
metallic
Revision help notes for the
Edexcel International GCSE Chemistry (9-1) IGCSE
Chemistry 4CH1 specification - syllabus exam paper
TOP OF PAGE and
sub-index
Materials
Science - Nanochemistry and Smart Materials
Revision help notes for the
Edexcel International GCSE Chemistry (9-1) IGCSE
Chemistry 4CH1 specification - syllabus exam paper
TOP OF PAGE and
sub-index
OIL and its useful products and an Introduction to Organic
Chemistry
Revision help notes for the
Edexcel International GCSE Chemistry (9-1) IGCSE
Chemistry 4CH1 specification - syllabus exam paper
-
INDEX
Chemistry Oil & Organic Chemistry Pages
-
Fossil Fuels and Carbon Cycle
-
Fractional distillation of crude oil & uses of fractions,
What makes a good fuel?
-
ALKANES - saturated hydrocarbons,
physical and chemical properties -combustion
-
Pollution, carbon monoxide, nitrogen oxides, climate change-global warming
-
See also
Extra notes on
Global Warming
-
Alkenes - unsaturated hydrocarbons,
physical and chemical properties
-
Cracking - a problem of supply and demand, other products
-
Polymers, plastics, uses and problems
e.g. PE, PP, PVC, PTFE, PS
-
Introduction to Organic Chemistry - Why so many series of
organic compounds?
-
Alcohols - Ethanol
- manufacture, properties and reactions
-
Biofuels,
biomass, biodiesel, comparison of alternative fuels
-
Carboxylic acids
- chemistry and uses
-
Esters preparation
- chemistry and uses - flavourings, perfumes, solvents etc.
-
More on Addition
polymers & condensation polymers, comparing thermoplastics, thermosets &
fibres and their uses
-
Natural Molecules - carbohydrates - sugars
- starch
-
Amino acids, proteins,
enzymes & chromatography
-
Oils, fats,
margarine and soaps
-
Vitamins, drugs-analgesic medicines & food
additives
-
Ozone, CFC's and free
radicals
TOP OF PAGE and
sub-index
Chemical
Calculations - how to solve numerical problems in
chemistry
Revision help notes for the
Edexcel International GCSE Chemistry (9-1) IGCSE
Chemistry 4CH1 specification - syllabus exam paper
- INDEX
of Chemical Calculations for GCSE and AS (basic)
-
What is
relative atomic mass? (Ar) and
relative isotopic mass
-
Calculating relative formula/molecular mass (Mr) of a compound or element molecule
-
Law of Conservation of Mass and simple reacting mass calculations
-
Composition by percentage (%) mass of elements
in a compound
-
Empirical formula and formula mass of a compound from reacting masses
(easy start, not using moles)
-
Reacting mass ratio calculations of reactants and products
(NOT using
moles and brief mention of actual percent % yield and theoretical yield,
atom economy
and formula mass determination
-
Reacting masses, concentration of solution and volumetric titration calculations
(NOT using moles)
-
Introducing moles: The connection between moles, mass and formula mass - the basis of reacting mole ratio calculations
(relating reacting masses and formula
mass).
-
Using
moles to calculate empirical formula and deduce molecular formula of a compound/molecule
(starting with reacting masses or % composition)
-
Moles and the molar volume of a gas, Avogadro's Law
-
Reacting gas volume
ratios, Avogadro's Law
and Gay-Lussac's Law (ratio of gaseous
reactants-products)
-
Molarity, volumes and solution
concentrations (and diagrams of apparatus)
-
Volumetric titration analysis calculations, acid-alkali titrations
(methods and diagrams of apparatus).
-
Electrolysis products calculations
(negative cathode and positive anode products)
-
Other calculations
Explaining and calculating % purity of a product
-
Explaining and calculating % reaction yield,
reasons why never 100%
-
Explaining and calculating atom economy
-
Dilution of solutions calculations
-
Water of crystallisation
calculations
-
Calculation of how
much of a reactant is needed?
-
Energy transfers in physical/chemical changes, activation energies and reaction profiles
-
Gas calculations involving PVT relationships,
Boyle's and Charles Laws
TOP OF PAGE and
sub-index
Indexes to
help links for all GCSE and IGCSE science courses
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