1. Why is it necessary to wire gauze on an iron ring when using a beaker/flask to heat or boil liquids? What would you use to secure the beaker/ flask from falling? 2.Whic measuring equipment would you use to get a more accurate volume of liquids: A beaker, an Erlenmeyer flask, or a graduated cylinder? Give your reason for using such equipment(s). 3. What does a yellow flame in the Bunsen burner indicate? How can this be corrected? 4. Why use a funnel to transfer large volume of liquid from one container to another?