Which statement is correct for a chemical system at dynamic equilibrium?
The concentration of the reactants is equal to the concentration of the products.
The chemical reaction has gone to completion and both the forward and backward reactions have stopped.
The concentrations of both the reactants and products remain constant.
The rate of the forward reaction is greater than the rate of the backward reaction.
Practise OCR GCSE Chemistry Equilibria with exam-style questions for Foundation and Higher tier. 35 questions, matched to the OCR GCSE Chemistry (J248) specification and written in Paper 1 and Paper 2 (Foundation Tier) or Paper 3 and Paper 4 (Higher Tier) style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.