2012 O Level Chemistry Paper 2 Answers | Premium Quality |

(b) What is the molecular formula of water?

The 2012 O Level Chemistry Paper 2 exam consisted of two sections: Section A and Section B. Section A contained multiple-choice questions that tested students’ knowledge of fundamental chemistry concepts, while Section B comprised structured questions that required students to apply their knowledge to solve problems. 2012 o level chemistry paper 2 answers

(3 marks)

(b) Calculate the number of moles of oxygen required to burn 2 moles of methane. (b) What is the molecular formula of water

Answer: An atom is the smallest unit of a chemical element, while a molecule is a group of atoms bonded together. knowledge of fundamental chemistry concepts