Laboratory Protocols

Question 1

What type of fabric easily gets caught in fire?

Answer 1

Cotton

Question 2

What jewelry is allowed?

Answer 2

Watch only

Question 3

What cosmetic products are not allowed?

Answer 3

Contact lens, nail polish, false eyelashes

Question 4

What is PPE and what are the 4 items under it?

Answer 4

PERSONAL PROTECTIVE EQUIPMENT
1. Lab Gown
2. Splash-proof safety goggles
3. Face mask
4. Nitrile gloves

Question 5

Are pencils allowed? Why or why not?

Answer 5

Pencils = scratch/draft

does not receive any merit/points

Question 6

How to sniff a chemical correctly?

Answer 6

• Fan the air above chemical towards nose

Question 6

How do you correct your mistakes in quizzes or exams? (2)

Answer 6

• NO use of correction tapes
• Strike once

Question 7

How not to contaminate chemicals? (4)

Answer 7

1. never put spatula
2. rotate the corner to control the amount dispensed
3. gently tap the side of the bottle
4. dispose of leftover chemicals in the bin and never return them to their original containers

Question 8

Why should you not waste chemicals?

Answer 8

• costly so do not take more than what is required
• poses environmental risks

Question 9

What type of water to add during an experiment?

Answer 9

Distilled, DO NOT EVER USE TAP WATER

Question 10

Where to place solids before weighing?

Answer 10

Weighing paper/boat

Question 11

When diluting acid to water, what should you remember?

Answer 11

add and stir slowly to avoid SPATTERING and releasing heat all at once

Question 12

Acid and Base Waste, how to dispose

Answer 12

add to ice water solution + then add sodium carbonate, calcium hydroxide, sodium hydroxide

when PH becomes neutralized, continuously flush with tap water

Question 13

LOCATION FOR EACH EMERGENCY EQUIPMENT

1. Fire Extinguisher
2. Red Fire Alarm
3. Safety Alarm
4. Eyewash station
5. First Aid Kit
6. Spill Kit

Answer 13

1. Placed in a compartment attached to the wall
2. Eye level in the hallway
3. Laboratory Entrance
4. Below safety shower
5. Near entrance/exit of Lab
6. Lab bench next to exit door

Question 14

BURNS what to do
- Small burns

Answer 14

Run under cold water for 20 minutes

Question 15

Chemical contact on eyes/face

on clothes/body

Answer 15

• 15 mins wash in EYE WASH STATION
• w/ contacts (wash, remove contacts, wash for 15 mins)
• small spills = wash for 15 mins
• big spills = remove clothes and shower for 15 mins

Question 16

Cuts

Answer 16

• washed then bandages
• BIG WOUNDS = Put pressure

Question 17

Fires

Answer 17

• no running to avoid fire increasing the flames
• drop to floor then roll
• DONT USE FIRE EXTINGUISHER
• use cover plate/watch glass