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Chemistry Paper 4 Past Year Discussions
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Course sections

Section 1
May/June 2019 Paper 41
1
Q1. Atomic Structure
2
Q2. Heating curve
3
Q3. Extraction of zinc and redox
4
Q4. Acid, calculation of moles and salt
5
Q5. Organic chemistry
Section 2
May/June 2019 Paper 42
1
Q1. Identifying chemical substances from descriptions
2
Q2. Atomic structure
3
Q3. Chemical bonds and base
4
Q4. Equilibrium and organic chemistry
5
Q5. Calculation of moles and rate of reaction
6
Q6. Periodic table
7
Q7. Redox and electrolysis
Section 3
May/June 2019 Paper 43
1
Q1. Atomic structure
2
Q2. Isotopes and chemical bonds
3
Q3. Calculation of moles and salt
4
Q4. Electrolysis
5
Q5. Organic chemistry and energy diagram
6
Q6. Organic chemistry
Section 4
Oct/Nov 2018 Paper 41
1
Q1. Identifying chemical substances from descriptions
2
Q2. Atomic structure
3
Q3. Metal and calculation of moles
4
Q4. Sulfur, chemical bonding and calculation of moles
5
Q5. Rate of reaction
6
Q6. Organic chemistry
Section 5
Oct/Nov 2018 Paper 42
1
Q1. Structure of matter
2
Q2. Atomic structure and chemical bonding
3
Q3. Contact process, salt and calculation of moles
4
Q4. Rate of reaction
5
Q5. Organic chemistry

May/June 2019 Paper 42

Q4. Equilibrium and organic chemistry

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May/June 2019 Paper 42 Q3. Chemical bonds and base
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May/June 2019 Paper 42 Q5. Calculation of moles and rate of reaction