Flame Test Pre-Lab Quiz

List the steps in performing the flame test experiment.

• Collect wooden splints

• Light the Bunsen burner

• Place the splint in the flame

• Record the color observed

• Turn off Bunsen Burner

Which element produces a blue color in a flame test?

• Arsenic

• Barium

• Strontium

• Zinc

What color is expected to be observed for lithium chloride (LiCl) in a flame test?

• Red

• Green

• Blue

• Yellow

When wavelength increases, frequency _____________________. When frequency decreases, energy _____________________.

• Remains constant, remains constant

• Increases, decreases

• Decreases, decreases

• Increases, increases

• Decreases, increases

Tags

NGSS.HS-PS4-1

What is the purpose of the flame test?

• To determine the pH of a substance

• To identify the presence of metal ions based on the color of the flame

• To measure the temperature of a flame

• To determine the boiling point of a substance