Chapter 1 Chem review

What should you do if you break glass in the lab?

• Tell the teacher.
• Sweep up the glass.
• Pick up the glass with your hands.
• Ignore it; the teacher will clean it up when she sees it later.

When should you tie back long hair or baggy clothing?

• When working with chemicals

• When working with fire

• ALWAYS

I will perform only those activities that have been assigned by the instructor.

• True

• False

What does this GHS symbol mean?

• Flammable
• Explosives
• Oxidising Agent
• Corrosive

What must the students do before leaving the lab?

• Wash their hands, regardless of whether or not gloves were worn.
• Just leave without washing their hand.
• Wash their hand if they are using gloves.
• None of the above.

Which of the following should be done when you are heating a test-tube?

• Wear safety goggles and stand facing the test-tube to see if it is heating properly.
• Wear safety goggles, never stand facing the test-tube.
• Wear safety goggles and never stand facing the test-tube that is heated by Bunsen burner but face the test tube towards other people.
• Never stand facing the test-tube that is heated nor face the test

What happen if chemical got into a student's eye?

• Leave it. If serious seek medical attention.
• Flush 15 mins with running water with eyelids forcibly open. Washing should be done that will not affect the other eye. Seek Medical Attention.
• Report to the office.
• None of the above.

What happen if chemicals are spilled on a student's hand?

• It is diluted, so it is quite safe.
• Report to the office.
• Wash affect area with running water for 15 mins. If serious seek medical attention.
• Seek medical attention if it is serious.

(True or False) Horse playing is allowed in the laboratory

• true

• false

The proper technique for smelling chemicals is ______________

• keeping your nose close to the glassware
• wafting
• to sniff only a small amount
• Trick question; you never are allowed to smell chemicals in class