* Paper I:
* Section A:
* What is the electronic configuration of the 1s2 2s2 2p6 3s1 atom?
* Write the chemical formula for sodium chloride.
* What is the boiling point of water at sea level?
* Section B:
* Describe the process of photosynthesis.
* Explain the difference between ionic and covalent bonding.
* What are the three states of matter?
* Paper II:
* Section A:
* Name the organic compound with the following molecular formula: C6H12O6.
* What is the functional group present in an alcohol?
* Write the chemical equation for the reaction between methane and oxygen.
* Section B:
* Describe the process of fermentation.
* Explain the difference between saturated and unsaturated hydrocarbons.
* What is the role of enzymes in the human body?
2019
* Paper I:
* Section A:
* What is the electronic configuration of the 1s2 2s2 2p6 3s2 atom?
* Write the chemical formula for potassium sulfate.
* What is the melting point of gold?
* Section B:
* Describe the process of cellular respiration.
* Explain the difference between acids and bases.
* What are the four types of chemical reactions?
* Paper II:
* Section A:
* Name the organic compound with the following molecular formula: C2H5OH.
* What is the functional group present in an aldehyde?
* Write the chemical equation for the reaction between ethene and hydrogen.
* Section B:
* Describe the process of polymerization.
* Explain the difference between aromatic and aliphatic hydrocarbons.
* What is the role of vitamins in the human body?
2020
* Paper I:
* Section A:
* What is the electronic configuration of the 1s2 2s2 2p6 3s2 3p1 atom?
* Write the chemical formula for calcium carbonate.
* What is the density of water at room temperature?
* Section B:
* Describe the process of protein synthesis.
* Explain the difference between metals and non-metals.
* What are the three laws of thermodynamics?
* Paper II:
* Section A:
* Name the organic compound with the following molecular formula: CH3COOH.
* What is the functional group present in a carboxylic acid?
* Write the chemical equation for the reaction between benzene and chlorine.
* Section B:
* Describe the process of saponification.
* Explain the difference between polymers and plastics.
* What is the role of carbohydrates in the human body?
2021
* Paper I:
* Section A:
* What is the electronic configuration of the 1s2 2s2 2p6 3s2 3p2 atom?
* Write the chemical formula for sulfuric acid.
* What is the specific heat capacity of water?
* Section B:
* Describe the process of DNA replication.
* Explain the difference between covalent and ionic bonding.
* What are the five states of matter?
* Paper II:
* Section A:
* Name the organic compound with the following molecular formula: C6H6.
* What is the functional group present in an alkene?
* Write the chemical equation for the reaction between propane and oxygen.
* Section B:
* Describe the process of distillation.
* Explain the difference between alkanes and alkenes.
* What is the role of lipids in the human body?
2022
* Paper I:
* Section A:
* What is the electronic configuration of the 1s2 2s2 2p6 3s2 3p3 atom?
* Write the chemical formula for sodium hydroxide.
* What is the pH of a neutral solution?
* Section B:
* Describe the process of enzyme catalysis.
* Explain the difference between endothermic and exothermic reactions.
* What are the three types of nuclear reactions?
* Paper II:
* Section A:
* Name the organic compound with the following molecular formula: C5H12O.
* What is the functional group present in an ether?
* Write the chemical equation for the reaction between butane and chlorine.
* Section B:
* Describe the process of cracking.
* Explain the difference between primary, secondary, and tertiary alcohols.
* What is the role of proteins in the human body?
