Description Describe how to safely smell a substance. 2

Description Describe how to safely smell a substance. 2- Give two reasons why it is important to separate waste for disposal. 3- Give two reasons why eating and drinking are not allowed in the laboratory. 4- What do we do with unused portions of chemicals? 5- Using...

Description you need to do

Description you need to do : 1 . Prelaboratory Exercise: Double Displacement Reactions and the questions too.  2. Data Sheet: Double Displacement Reactions 3. Post Laboratory Questions