A reversible reaction has an endothermic forward direction. Lowering temperature favours
the reverse direction, because it is exothermic
the forward direction, because the reaction slows down
the forward direction, because it takes in heat
neither direction, because temperature only changes the rate
45 exam-style questions on Edexcel GCSE Chemistry 5.2 Reversible reactions and equilibria, covering 5.2.1 Reversible reactions and dynamic equilibrium, 5.2.2 The Haber process, and 5.2.3 Changing the position of a dynamic equilibrium. Each one has a worked solution and a mark scheme showing where the marks go.