Question 8
Wear eye protection and disposable gloves when handling solutions. Work under teacher supervision. Investigation 1: an iron nail is placed in about 200 cm³ of copper nitrate solution in a beaker on an electronic balance. The beaker is covered with a watch glass while it stands for a week; the watch glass is removed before the final weighing.
After a week, examine the beaker with the copper nitrate solution and iron nail. Record your observations.
After a week, examine the beaker with the copper nitrate solution and iron nail. Record your observations.
