Centre No. Candidate No. Paper Reference(s) Surname Paper Reference Initial(s) 4 4 0 0 4400/3H 3 H Signature Examiner’s use only London Examinations IGCSE Mathematics Paper…

Centre No. Candidate No. Paper Reference(s) Surname Paper Reference Initial(s) 6 6 6 9 6669/01 0 1 Signature Examiner’s use only Edexcel GCE Further Pure Mathematics FP3…

1. The diagram below shows part of a molecule of deoxyribonucleic acid (DNA). C B D A (a) Name A, B, C and D. A ................................................................................................................................…

Centre No. Candidate No. Paper Reference(s) Surname Initial(s) Signature 4325/2H Examiner’s use only London Examinations IGCSE Biology Paper 2H Team Leader’s use only…

1. The diagram shows a lever with two arms of equal length and with a 30 kg mass at one end. The force F is just strong enough to raise the 30 kg mass off the ground. 30…

Paper Reference(s) 6689/01 Edexcel GCE Decision Mathematics D1 Advanced/Advanced Subsidiary Friday 20 January 2012 – Afternoon Time: 1 hour 30 minutes Materials required…

1. A child is playing on a swing. The graph shows how the displacement of the child varies with time. 2 1 Time/ s 0 –1 –2 Displacement / m The maximum velocity, in m…

Infectious Disease, Diet and Exercise Questions 70 minutes 70 marks Page 1 of 18 Q1. (a) Obesity is a factor that affects Coronary Heart Disease (CHD). What is meant by obesity?…

1. The reaction between solid barium hydroxide and solid ammonium chloride can be represented by the equation below. Ba(OH)2(s) + 2NH4Cl(s) → BaCl2(s) + 2NH3(g) + 2H2O(l)…

1. The reaction between solid barium hydroxide and solid ammonium chloride can be represented by the equation below. Ba(OH)2(s) + 2NH4Cl(s) → BaCl2(s) + 2NH3(g) + 2H2O(l)…