What does the term compound mean?
Give the sequence and the correct scientific term for the physical methods used to separate the common salt from the mixture. 1 .......... 2 .......... 3 ..........
(i) Apparatus X needs a flow of cold water through it. Draw an arrow on the diagram to indicate where the cold water enters apparatus X. Name apparatus X. (ii) One section of the fractionating column is missing. Because of this, the experiment will not work. Draw the missing part of the fractionating column on the diagram. Explain why the experiment will not work if this part of the fractionating column is absent. (iii) Suggest why a Bunsen burner is not used to heat the flask. (iv) A hot water bath cannot be used to separate alcohols C and D. Explain why.