These questions cover what school trial papers ask about chemical synthesis and design again and again: the factors that shape an industrial process, choosing temperature, pressure and catalysts for equilibrium reactions, the Haber and Contact processes, comparing two routes on yield, cost and environmental impact, multi-step yields, atom economy, green chemistry and scaling up. They start easy and get harder. Stuck? Tap Show a hint for one step at a time.
Sign in to take HSC practice
19 questions with instant marking. It is free, and your scores are saved to your account so you can carry on from any device.
Turn on JavaScript to sign in and take the quiz.