Checking understanding of compounds, mixtures and separation methods

5 questions

Students are assessed on identifying compounds versus mixtures and selecting appropriate separation techniques.

Questions

1. Which of the following is a pure chemical compound?
2. A mixture can be separated into its components by using a chemical reaction.
3. Which separation technique is most suitable for separating a mixture of iron filings and sulfur powder?
4. Which statement correctly describes a homogeneous mixture?
5. A sample contains 5 g of sodium chloride dissolved in 95 g of water. Which term best describes this sample?