Target Stoichiometry Pre-Lab Quiz

You will clamp the test tube to the ring stand to heat it. How high above the table should the test tube be clamped?

• 10 cm

• 20 cm

• 30 cm

• 40 cm

Why should you move the burner occasionally?

• To ensure the glass doesn't catch on fire.

• To ensure the fire doesn't go out.

• To ensure the solid stays in the test tube.

• To ensure the solid is thoroughly heated.

How long will you need to heat the substance?

• 20 minutes

• 8-10 minutes

• 5-6 minutes

• No idea...

For how long will you need to let the test tube cool?

• 20 minutes

• 8-10 minutes

• 5-6 minutes

• No idea

After the test tube has cooled, what do you do with it?

• Take it to the teacher for the official weigh in

• Throw it in the trash

• Do the official weigh in myself

• Clean out the contents

How do you dispose of your waste once you finish the lab?

• Throw it in the trash

• Eat it

• Dump it down the sink

• No idea