10 tips to boost your IGCSE Chemistry Paper 2 October exam score by 25% IGCSE chemistry paper 2 exam hacks part 2 • 📚 For all the students taking the Paper 2 Chemistry exam soon, listen to these 10 facts to find answers faster and improve your score. • 🔥 Energetics: • 🌡️ Temperature decreases during endothermic reactions. • ⚡ Reactants have lower energy than the product in endothermic reactions. • ➕ The sign of ∆ H in endothermic reactions is positive; the opposite applies to exothermic react