2AIM : What happens if some baking soda is heated in a test tube? What safety precautions must be taken during this experiment?
3EQUIPMENT 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
4What do you predict will happen when the baking soda is heated? Scoopula
5Materials needed for Part 1 of the experiment – Can you identify them?
6Add a pencil’s width of Baking Soda to the test tube.
7Set 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?
8Safety Equipment that will be used in this experiment
9In our experiments this year we will use a form of Alcohol, called Methanol, as our burner fuel.
10Goggles and Apron must be worn whenever we use an alcohol burner!!
11You must be very careful when inserting any glassware into a rubber stopper!!
12The stopper must be lubricated with Glycerin and held with a towel when inserting the glass bend.