Each of these ionic compounds contains one cation and one anion. The cations will be from the Silver, Aluminum and Soluble groups covered in lab. The anions will be from the group studied in lab. Your salt may fall into this in between category.
Some salts are colored, some are white.
All these properties are clues that will help you solve the puzzle. This is an exam. There is no talking to other students during the lab practical. You can ask your TA s questions, although if they feel the question is too specific they may not answer directly. The practical is closed book.