Making useful chemicals
What useful products can be made from acids? - OCR 21st Century
Many products require ingredients made by the reaction of acids. These include cleaning products and food additives. Acids are used on an industrial scale to produce chemicals such as fertilisers.

How do chemists control the rate of reactions? - OCR 21st Century
Rate of reaction is a measure of how fast a reaction takes place. In industry, chemists control rates of reaction to ensure the production is safe but still fast enough to keep up with demand.

Quiz: Rates of reaction
This interactive quiz is suitable for GCSE combined science students studying surface area, temperature, and catalysts on the rate of reaction.

What factors affect the yield of chemical reactions?
In a reversible reaction, the products can react to produce the original reactants. The conditions chosen for an industrial reaction are related to producing an acceptable yield in an acceptable time.

Quiz: Reversible reactions
This interactive quiz is suitable for GCSE combined science students studying reversible reactions and the dynamic equilibrium.

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