2 AIM : What happens if some baking soda is heated in a test tube? What safety precautions must be taken during this experiment?
3 EQUIPMENT Goggles and apron Peg board and clamp Test tube with baking sodaGlycerin and towel#2 1-hole stopper and short glass bendLong rubber tubingGas collection bottle and bucketAlcohol burner and wire stand2 test tubes with brewed tea
4 What do you predict will happen when the baking soda is heated? Scoopula
5 Materials needed for Part 1 of the experiment – Can you identify them?
6 Add a pencil’s width of Baking Soda to the test tube.
7 Set up the the test tube with baking soda and the alcohol burner. Notice that the test tube is clamped to the pegboard and sits on the wire stand. Why do you think that it is angled?
8 Safety Equipment that will be used in this experiment
9 In our experiments this year we will use a form of Alcohol, called Methanol, as our burner fuel.
10 Goggles and Apron must be worn whenever we use an alcohol burner!!
11 You must be very careful when inserting any glassware into a rubber stopper!!
12 The stopper must be lubricated with Glycerin and held with a towel when inserting the glass bend.