PHA 612 - LAB (Lab Safety. Apparatus, Techniques)

Question 1

TRUE OR FALSE
Laboratory gowns and safety goggles are required in the laboratory at all times

Answer 1

TRUE

Question 2

TRUE OR FALSE
Long hair should not be kept in place

Answer 2

FALSE. It should be kept in place

Question 3

TRUE OR FALSE
Careful consideration for wearing any jewelry in the lab

Answer 3

TRUE

Question 4

Which are 5 things not allowed in the laboratory?

1. Sh___
2. Co___ Le___
3. Ph____
4. Sa____
5. He___

Answer 4

Shorts
Contact Lenses
Phones
Sandals/ Open Shoes
Heels/Open shoes

Question 5

What are the 4 safety equipments you should be aware of when in the laboratory?
1. F.E
2. E.S
3. S.S
4. F.A

Answer 5

1. Fire Extinguisher
2. Eyewash Station
3. Shower Station
4. First Aid

Question 6

TRUE OR FALSE.
We need to be familiar with the locations of the different safety equipment in the lab

Answer 6

TRUE

Question 7

TRUE OR FALSE
Safety Equipment are not required to be checked.

Answer 7

FALSE. Safety equipment are always checked if they are still working properly and loaded or charged.

Question 8

[Lab Decorum]
TRUE OR FALSE:
Eating, drinking, smoking and horse playing are
strictly prohibited

Answer 8

TRUE

Question 9

[Lab Decorum]
TRUE OR FALSE:
Place personal items in any area of the laboratory

Answer 9

FALSE. Place it in the designated place in the lab.

Question 10

[Lab Decorum]
TRUE OR FALSE:
Bring only the necessary materials in the bench
assigned to your group

Answer 10

TRUE

Question 11

[LAB DECORUM]
TRUE OR FALSE
Read the upcoming experiments thoroughly

Answer 11

TRUE

Question 12

[LAB DECORUM] TRUE OR FALSE
Wash your hands once.

Answer 12

FALSE. Wash your hands FREQUENTLY.

Question 13

[LAB DECORUM] TRUE OR FALSE
Any modifications of the day’s experiment will also be explained by your instructor

Answer 13

TRUE

Question 14

[LAB DECORUM] TRUE OR FALSE
You can smell gases or vapors directly

Answer 14

FALSE. NEVER smell directly

Use wafting method

Question 14

[LAB DECORUM] TRUE OR FALSE
Never make unauthorized substitutions

Answer 14

TRUE

Question 15

[LAB DECORUM] TRUE OR FALSE
Turn off the gas outlet immediately when not in use

Answer 15

TRUE

Question 16

[LAB DECORUM] TRUE OR FALSE
Use the fume hood whenever heating involves large evolution of irritating and hazardous fumes

Answer 16

TRUE

Fume hoods should be used when working with toxic compounds or compounds with a boiling point below 120°C.

Question 17

[LAB DECORUM]
What two cleaning materials do you need to use to clean up broken glasswares

Answer 17

Brush and Dustpan

Question 17

[LAB DECORUM] TRUE OR FALSE
Be cautious in using the gas burner when volatile organic solvents are involved in the experiment

Answer 17

TRUE

Question 18

[LAB DECORUM]
Never pick up the broken glass chips with your bare hands

Answer 18

TRUE

Question 19

[LAB DECORUM]
TRUE OR FALSE
Clean all broken glass and spilled chemicals immediately

Answer 19

TRUE

Question 20

[LAB DECORUM] TRUE OR FALSE
Inform your instructor if you have medical conditions that can affect your performance in the lab

Answer 20

TRUE

Question 21

In the event fire, what is the first thing you should do?

Answer 21

Don’t Panic

Question 22

If a large portion of your clothes catches a fire, what are the three actions that you must do?

Answer 22

(a) drop to the ground and roll
(b) use the safety shower
(c) or use the fire blanket

Question 23

TRUE OR FALSE You can use a fire extinguisher on a person

Answer 23

False. Never use it on a person

Question 24

If a fire occur in a beaker or some other container, what should you do?

Answer 24

cover it with a watch glass or other flameretardant items

Question 25

TRUE OR FALSE Never move any burning object

Answer 25

TRUE

Question 26

TRUE OR FALSE Never use water to extinguish the chemical fire

Answer 26

TRUE

Question 27

What emergency measures should you do if one catches a THERMAL BURN? List the 3 measures.

Answer 27

* Hold the burnt area under the cold water or in contact with ice for several minutes * Do not apply ointment or bandage * If the burn is large or severe, call a physician at once

Question 28

What emergency measures should you do if one accidently get acid on the skin? List 3.

Answer 28

* Pat the affected areas immediately with cloth * Wash with plenty of water * Then wash with saturated bicarbonate solution and again with water

Question 28

What emergency measures should you do if one got a SOLID ORGANIC SUBSTANCES ON THE SKIN. List 2

Answer 28

* Wash affected area with rubbing alcohol * Then clean well with soap and water

Question 29

What emergency measures are needed to do when one has a MINOR CUT. List 3.

Answer 29

* Allow them to bleed for a few seconds * Remove bits or fragments of substances from the wounded area * Apply an antiseptic and bandage

Question 30

What emergency measures are needed to do when one has a MAJOR/SERIOUS CUT. List 2.

Answer 30

* Send for the doctor at once * Meanwhile, try to stop the bleeding by applying pressure with a sterile pad over the wound

Question 31

What emergency measures should you do when EYE ACCIDENTS OCCUR

Answer 31

* Immediately flush the eyes with a stream of water for at least 10 minutes * Do not attempt any chemical neutralization in the eyes for deeper burns that might result to the heat of reaction. * In all cases, take the patient to the student clinic

Question 32

TRUE OR FALSE In an eye accident. You should flush the eyes with a stream of water for at LEAST 10 MINUTES.

Answer 32

TRUE

Question 33

TRUE OR FALSE For serious cuts, apply pressure with a non-sterile pad over the wound as you stop the bleeding

Answer 33

FALSE. Use STERILE PAD

Question 34

TRUE OR FALSE In thermal burns, you should apply ointment or bandage

Answer 34

FALSE. DO NOT APPLY OINTMENT OR BANDAGE

Question 34

When there is acid on the skin, you should wash it with S____B____ solution and again with water

Answer 34

Sodium Bicarbonate

Question 35

TRUE OR FALSE In a few and emergency cases that you can take the patient to the student clinic.

Answer 35

FALSE. IN ALL CASES, you should take the patient to the student clinic

Question 35

TRUE OR FALSE. In an eye accident, do not attempt any chemical neutralization in the eyes for deeper burns that might result to the heat of reaction

Answer 35

TRUE

Question 36

In cases of poisioning by swallowing, one must dilute the poison as fast as possible by _____

Answer 36

by drinking plenty of water

Question 37

In cases of poisoning by swallowing, what should you do to neutralize the poision for example for acids?

Answer 37

induce vomiting by freely giving lukewarm water with 2 tablespoons of salt per glass until the expelled liquid is clear

Question 38

TRUE OR FALSE In an electric chock, you should remove the resource of shock as soon as possible.

Answer 38

TRUE

Question 39

In an electric shockm you should use a ____ towel when removing live wires of equipment

Answer 39

DRY TOWEL

Question 39

In an electric shock, if the victim is not breathing, you should administer what?

Answer 39

Artificial Respiration

Question 40

This type of analysis is used to identify compounds | This is under the Qualitative Chemistry

Answer 40

Proximate Analysis

Question 41

This type of analysis is used to identify elements and/or ions | This is under the Qualitative Chemistry

Answer 41

Ultimate/Elementary Analysis

Question 42

This is under the Analytical Chemistry and is used to IDENTIFY

Answer 42

Qualitative Chemistry

Question 43

This is under the Analytical Chemistry and is used for PROPORTION

Answer 43

Quantitative Chemistry

Question 44

This method utilize about 50 mg of solid & 1 mL of test solution

Answer 44

Semi-micro analysis method

Question 45

any process in which a new chemical substance (like compound) is formed

Answer 45

Reaction

Question 46

a substance used to bring about a reaction | This causes the reaction

Answer 46

Reagent

Question 48

laboratory operation to show the presence or absence of some substance, usually some ionic species

Answer 48

Test

Question 49

test used to identify the ion that gives a characteristic result | - This identify the presence of one particular compound

Answer 49

Confirmatory test

Question 50

contains the ion or substance for which tests are made

Answer 50

Test Solution

Question 51

prepared from their nitrate or chloride salts

Answer 51

Test Solution CATIONS

Question 52

prepared from sodium or potassium salts

Answer 52

Test Solution ANIONS

Question 53

A type of solution; one that is not turbid | Pwede may color but no precipitate

Answer 53

Clear Solution

Question 53

A type of solution; one that is not colored and is clear

Answer 53

Colorless solution

Question 54

the solid that remains after evaporating a mixture or solution to dryness

Answer 54

Residue

Question 55

Precipitate

Answer 55

any insoluble substance produced in a reaction

Question 55

heating without fusion | Used for high heat

Answer 55

Calcination

Question 56

adding water to a powder in limited amount at a time until it absorbs and swells, liberating heat and finally disintegrating into fine powder

Answer 56

Slaking

Question 57

TRUE OR FALSE In an ANALYTICAL REACTION, there are external effects that indicates that reactions reactions have taken place

Answer 57

TRUE

Question 58

TRUE OR FALSE In an Analytical Reaction, one of the external effects is the FORMATION OF A PRECIPITATE

Answer 58

TRUE

Question 59

TRUE OR FALSE In an Analytical Reaction, one of the external effects is the SOLUTION OF A PRECIPITATE

Answer 59

FALSE. DISSOLUTION OF A PRECIPITATE

Question 60

TRUE OR FALSE In an Analytical Reaction, one of the external effects is the APPEARANCE AND DISAPPEARANCE OF COLOR IN A SOLUTION OR IN FLAME

Answer 60

TRUE

Question 61

TRUE OR FALSE In an Analytical Reaction, one of the external effects is the EVOLUTION OF GAS

Answer 61

TRUE

Question 62

TRUE OR FALSE In an Analytical Reaction, one of the external effects is that there is NO DEVELOPMENT OF A CHARACTERISTIC ODOR

Answer 62

FALSE. THERE IS A DEVELOPMENT OF A CHARACTERISTIC ODOR

Question 62

TRUE OR FALSE Analytical reactions are conducted strictly under DEFINITE CONDITIONS

Answer 62

TRUE

Question 63

TRUE OR FALSE Analytical reactions should be conducted under the condition of the TEMPERATURE OF THE SOLUTION

Answer 63

TRUE

Question 63

TRUE OR FALSE Analytical reactions should be conducted under a SUITABLE MEDIUM

Answer 63

TRUE | Can be either acidic or basic

Question 64

TRUE OR FALSE Analytical reactions should be conducted under a SUFFICIENTLY LOW CONCENTRATIONS OF A PARTICULAR ION IN SOLUTION

Answer 64

FALSE. HIGH CONCENTRATION

Question 65

TRUE OR FALSE Analytical reactions should be conducted under a condition where we can PREVENT CONTAMINATION OF THE REAGENTS

Answer 65

TRUE