Question

Answer the following True or False

When heating substances:

1.All melting point capillaries with melting point samples must be disposed of in the proper containers.

2.Give heated glass adequate time to cool; it looks cool long before it is safe to handle.

3.Avoid heating any object too suddenly. Apply the flame intermittently at first.

4.Never apply the direct heat of a flame to heavy glassware such as volumetric flasks, burets, graduate cylinders, bottles, mortars, pestles, and thermometers

5.If a mercury thermometer breaks, carefully scoop up mercury from a broken thermometer with a piece of paper.

6.Use the appropriate type of tongs when moving hot objects. Test tube holders should be used on test tubes only, as they are too weak to carry flasks or other heavier objects.

7.Any thermal burns should be reported immediately.

8.Do not heat anything other than water or an aqueous solution directly over an open flame.

9.When heating a substance in a test tube, use a test tube holder, and be sure not to direct the tube toward yourself or anyone nearby.

10. When lighting a Bunsen burner, first turn on the gas, then strike your match.

Add hint text here.

Answer 1