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PRPM111L M1L1

Total questions: 64

Worksheet time: 51mins

Name
Class
Date
1.

-Used for mixing, stirring, and heating chemicals

-Have spouts on their rims to aid in pouring

(singular)

(a)  

2.

•a.k.a Conical Flask

•has a narrow neck and expands toward its base.

•Allows easy mixing and swirling of the flask without too much risk of spilling

(a)  

3.

The narrow opening also allows for the use of a rubber or glass stopper.


• Important safety tip: –Never heat the flask while it is capped. This could cause a pressure build-up that could result in explosion.

a)

Erlenmeyer

b)

Beaker

c)

Crucible

4.

a.k.a. Boiling Flask

• Has round bottom and long neck

• Used to hold liquids and can be easily swirled and heated

(a)  

5.

a glass tube with one end open and the other end closed

• used to hold small samples for qualitative assessment and comparison

(a)  

6.

Small clay cup made of a material that can withstand extreme temperatures

• Used for heating substances and come with lids.

(singular)

(a)  

7.

Used to hold crucibles

(a)  

8.

a round piece of glass that is slightly concave/ convex (think of a lens)

• can hold a small amount of liquid or solid

• can be used for evaporation purposes

• can function as a lid for a beaker

(a)  

9.

can be made of plastic or glass and can have either a short stem or a long stem

• Used to channel liquid or fine -grounded substances into containers with small opening

(a)  

10.

Used for measuring volume of liquids

• There are several markings up and down the length of the container with specific increments.

(a)  

11.

A round flask with a long neck and flat bottom

• Used to measure an exact volume of liquid

• There is a small line on the neck that indicates how far to fill the bottle

(a)  

12.

Small glass tubes with narrow tips on one end and a rubber bulb on the other

• Suck up liquid that can then be squeezed out in small drops

(a)  

13.

Measuring an exact volume of liquid and placing it into another container

– Volumetric Pipette

– Graduated/ Measuring/ Mohr’s Pipette

(a)  

14.

A glass tube that is open at the top and comes to a narrow pointed opening at the bottom.

• Right above the bottom opening is a stopcock that can be turned to control the amount of liquid being released.

(a)  

15.

There are markings along the length of the tube that indicate the volume of liquid present.

• Used for extremely accurate addition of liquid, especially during TITRATION

a)

Blue Burette

b)

Red Burette

16.

Iron Stand, Ring and Clamps

a)

Used to suspend burets, beakers, flasks, crucibles, etc. in some cases, a heat source

b)

Used to suspend burets, erlenmeyer, flasks, crucibles, etc. in some cases, a heat source

c)

Used to suspend burets, testubes, flasks, crucibles, etc. in some cases, a heat source

17.

Used for grabbing things that should not be touched by hands

(a)  

18.

Used for scooping chemicals (2 apparatuses)

(a)  

19.

Used for measuring temperature

(a)  

20.

a mechanical apparatus that is connected to a flammable gas source.

• Used to produce an open flame

(a)  

21.

There is a knob to adjust the amount of gas flow and a rotating collar that controls airflow.

• These both must be adjusted to get an ideal flame for heating purposes.

a)

Bunsen burner

b)

Jahnssen burner

c)

Robert burner

22.

Used for cleaning test tubes and other narrow mouth glasswares

(a)  

23.

Used to distribute evenly heat and support beakers during heating

(a)  

24.

Has an open center

• Used to suspend crucibles

(a)  

25.

Made of porcelain or borosilicate glass

• Used to heat liquids for evaporation

(a)  

26.

Made of glass, plastic, borosilicate, and topped by caps or stoppers

• Intended to contain chemicals

(a)  

27.

Used to move test tubes (whether due to heat or safety reasons)

(a)  

28.

A three-legged platform used to support or hold flasks and beakers

(a)  

29.

Used to mix chemicals and liquids (2 options)

(a)  

30.

Used for viewing or making enlarged images of very small objects

(a)  

31.

Used to crush, mash or grind substances

(a)  

32.

Used to produce an open flame for heating, sterilization or combustion

(a)  

33.

Used for sucking or absorbing liquids through a narrow tube

(a)  

34.

Used to connect two other pieces of jointware to each other

(a)  

35.

Used in liquid-liquid extraction to separate (partition) components of a mixture of two immiscible liquids (different densities)

(a)  

36.

Usually a long, circular glass tube. Inside the tube there is another, smaller tube

• Used to cool hot gases into liquids

(a)  

37.

Used to separate mixtures of two liquids with different boiling points

(a)  

38.

Used to verify gas production in fermentation

(a)  

39.

A shallow cylindrical glass or plastic lidded dish that biologists use to culture cells

(a)  

40.

A small glass bottle of known volume for determining the relative density of liquids and solids by weighing

(a)  

41.

A small volumetric flask with a long graduated neck used in pharmacy for determining cinnamaldehyde (Formula: C9H8O) in cassia bark and other forms of cinnamon

(a)  

42.

In cleaning glassware, glassware must be:

a)

physically clean

b)

chemically clean

c)

must be sterile

d)

washed with soap

43.

In cleaning glassware, good laboratory technique demands clean glassware, because the most carefully executed piece of work may give an ______result if dirty glassware is used.

a)

erroneous

b)

accurate

c)

correct

44.

In cleaning glassware, the safest criterion of cleanliness is uniform wetting of the surface by_____.

a)

distilled water

b)

boiling water

45.

In cleaning glassware, If glassware becomes unduly clouded or dirty or contains coagulated organic matter, it must be cleansed with _____ cleaning solution.

a)

chromic acid

b)

Hydrochloric acid

c)

Bromic acid

46.

In cleaning glassware, _______should be handled with extreme care because it is a powerful corrosive and carcinogen

a)

dichromate

b)

chromate

c)

Bromate

47.

Special types of precipitates may require removal with nitric acid, aqua regia, or fuming sulfuric acid.

a)

TRUE

b)

FALSE

48.

Rinsing and Drying Glassware: not to let tips hit the sink or the water tap

a)

pipets

b)

cylinders

c)

burets

d)

test tubes

49.

Rinsing and Drying Glassware: hanging them on wooden pegs or placing them in baskets with their mouths downward and allowing them to air dry

a)

pipets

b)

flasks

c)

culture tubes

d)

test tubes

50.

Storing Glassware: place pieces in racks designed especially for them.

a)

TRUE

b)

FALSE

51.

Storing Glassware: store glassware close to the front edge of shelves.

a)

TRUE

b)

FALSE

52.

Correct order/sequence for putting on: Personal protective equipment (PPE)

a)

GOWN-RESPIRATOR-GOGGLES-GLOVES

b)

GOWN-GLOVES-GOGGLES-RESPIRATOR

c)

GOWN-GLOVES-RESPIRATOR-GOGGLES

53.

Select the sequence #1:


red - hot room

orange - warm room

a)
b)
c)
d)
e)
54.

Select the sequence #2:


red - hot room

orange - warm room

a)
b)
c)
d)
e)
55.

Select the sequence #3:


red - hot room

orange - warm room

a)
b)
c)
d)
e)
56.

Select the sequence #4:


red - hot room

orange - warm room

a)
b)
c)
d)
e)
57.

Select the sequence #5:


red - hot room

orange - warm room

a)
b)
c)
d)
e)
58.

Select the sequence #6:


red - hot room

orange - warm room

a)
b)
c)
d)
e)
59.

Select the sequence #7:


red - hot room

orange - warm room

a)
b)
c)
d)
e)
60.

Select the sequence #8:


red - hot room

orange - warm room

a)
b)
c)
d)
e)
61.

Select the sequence #9:


red - hot room

orange - warm room

a)
b)
c)
d)
e)
62.

Select the sequence #10:


red - hot room

orange - warm room

a)
b)
c)
d)
e)
63.

Select the sequence #11:


red - hot room

orange - warm room

a)
b)
c)
d)
e)
64.

Select the sequence #12 (LAST):


red - hot room

orange - warm room

a)
b)
c)
d)
e)