Chemistry Lab Safety Precautions and Hazards

What should you do if you have a known allergy and are asked to work with a potentially triggering substance?

• Inform your teacher and verify the substance's safety.

• Proceed with the experiment without informing anyone.

• Ask a classmate to do the experiment for you.

• Ignore the allergy and hope for the best.

Why is it important to avoid running in the laboratory?

• Running is allowed only during emergencies.

• It is a good exercise.

• Running can lead to equipment being knocked over and accidents.

• It helps you finish experiments faster.

What is a key precaution to take when working with hazardous chemicals?

• Avoid using any protective gear.

• Mix all chemicals to see reactions.

• Wear safety spectacles at all times.

• Only work with chemicals you are familiar with.

What should you do if a chemical spills on your hand?

• Wait until the end of the experiment to clean it.

• Wash your hands immediately.

• Ignore it and continue working.

• Ask a classmate to clean it for you.

When heating substances in a test tube, what is a crucial safety measure?

• Hold the test tube with bare hands.

• Point the test tube away from people.

• Point the test tube towards yourself.

• Look directly into the test tube.

What should you do with long hair when using a Bunsen burner?

• Leave it loose.

• Tie it back away from the flame.

• Cover it with a hat.

• Cut it short.

Why should equipment be allowed to cool before handling after heating?

• To save energy.

• To make it easier to clean.

• To prevent burns.

• To avoid chemical reactions.