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- Subject: Chemistry
- AS: AS90171
- Level: 1
- Credits: 4
- External
Chemistry 1.3 Describe chemical reactions
Subject content
You may be tested on the following chemical reactions:
- Oxidation numbers and redox reactions:
- simple electron transfer involving elements and monatomic ions (such as metal/metal ion, Cl2 /Cl-, metal/metal ion)
- simple oxygen transfer (such as between metal oxides and either hydrogen or carbon)
- precipitation reactions, you may be tested on the formation of:
- chlorides of silver and lead
- sulfates of calcium, barium and lead, hydroxides
- carbonates of copper(II), iron(II), iron(III), zinc, aluminium, calcium, and magnesium ions
- thermal decomposition reactions:
- hydroxides, carbonates, and hydrogen carbonates.
Check out this animation on a tutorial on balancing equations and practise balancing chemical equations.
Check out this revision to practise doing calculations.
Use this interactive periodic table for reference.
You will find this table of common ions, anions and cations useful.
