1 Physical chemistry

Practice questions on Physical chemistry

• A drinks manufacturer produces a new sports drink containing artificial colourings. A trad… (5 marks, Explain)
• A student carries out paper chromatography on a food dye sample to find out whether it is … (5 marks, Explain)
• A food technologist is investigating two fruit squash drinks, Sample A and Sample B. Both … (5 marks, Explain)
• A food technologist is developing a new sports drink. The drink contains water, glucose, s… (5 marks, Explain)
• A student has two white powder samples. One sample is a pure substance and the other is a … (5 marks, Describe)
• A student wants to separate ethanol from a mixture of ethanol and water. Describe how simp… (5 marks, Describe)
• A pharmaceutical company produces a painkiller tablet. Each tablet contains exact quantiti… (5 marks, Explain)
• A sports drink manufacturer produces a new energy drink. The drink contains water, glucose… (5 marks, Explain)
• A student carries out paper chromatography to investigate a food colouring. The solvent tr… (5 marks, Explain)
• A student uses crystallisation to obtain pure copper sulfate crystals from a copper sulfat… (5 marks, Describe)
• A student uses paper chromatography to investigate the dyes present in two food colourings… (5 marks, Explain and Evaluate)
• A student obtains a sample of a white solid and wants to find out whether it is a pure sub… (5 marks, Describe)
• A chemist wants to separate ethanol from a mixture of ethanol and water. Explain why simpl… (5 marks, Explain)
• A student carries out paper chromatography on two samples, sample A and sample B, using th… (5 marks, Explain)
• Copper can be displaced from copper sulfate solution by adding zinc metal. In this reactio… (5 marks, Explain)
• A forensic scientist uses paper chromatography to analyse an ink sample taken from a docum… (5 marks, Explain)
• Magnesium ribbon is burned in oxygen to produce magnesium oxide. In this reaction, magnesi… (5 marks, Explain)
• Silver nitrate solution reacts with copper metal. In this reaction, silver ions gain elect… (5 marks, Explain)
• A quality control technician is investigating two samples of a yellow food colouring. Samp… (5 marks, Explain)
• A scientist is testing a new sunscreen product. The scientist wants to find out whether th… (5 marks, Describe)