Which are the three essential elements that necessary for a fire to be sustained?

• A. Oxygen, heat, and fuel.

• B. Nitrogen, fuel, gas.

• C. Heat, fuel, nitrogen

• D. Oxygen, fuel, oil

what is the #2 in yellow diamond?

• may detonate

• violent

• unstable if heated

• stable

What does this symbol indicate?

• Deadly

• Explosive

• This chemical is acutely hazardous/an irritant or is narcotic. Danger!

• Environmental Hazard

What does the special hazard in this NFPA diamond indicate?

• Do not use with Tungsten

• Do not mix with water

• Dangerous to women

• Must discard after a week

Read carefully the instructions indicated in the product labels before disposing of them.

• True

• False

What does this symbol indicate?

• If you smell this chemical your heart will explode

• Don't eat this, it causes acid reflux.

• This chemical is a human health hazard

• Exposure to this chemical will steal your soul.

Hazardous chemicals can be dispensed over the sink and toilet bowls.

• True

• False

If you see this pictogram on a bottle it means that you are dealing with a chemical that is:

• Explosive

• Flammable

• Irritant

• Acutely Toxic (lethal)

Helping to clean up the laboratory is the job of.

• A. senior students.

• B. staff and maid

• C. each and every student.

• D. security

What are the steps before starting to work in the laboratory?

1.  Contact directly to corresponding staff of each equipment.

2.       The completed P.2 form attached with a copy of approved thesis proposal and a copy of Safety Card should be submitted to the Graduate & Research Support Unit at facility building 11.

3.       Fill out the Equipment and Laboratory Request Form (P2/P3) with endorsement by advisor, head of school, and the dean (Please go to the website for downloading the form)

4.       Passing the “Safety in laboratory” training course, and get the safety card.

Please sort correctly.

• A. 1-2-3-4

• B. 4-3-2-1

• C. 4-2-1-3

• D. 3-4-2-1