PRLM RETAKE

Question 1

It is used to hold and secure and is also known as butterfly clip

Answer 1

BURETTE CLAMP

Question 2

It is composed of a metal rod and a base that is used to hold things in place

Answer 2

IRON STAND

Question 3

It consists of a flat plate with several potholes or wells

Answer 3

SPOT PLATE

Question 4

Small stainless steel utensil that is mainly used for scooping solid chemicals

Answer 4

SPATULA

Question 5

This is one of the most common lab apparatuses that acts as a container to hold chemicals

Answer 5

BEAKERS

Question 6

This type of laboratory balance is less sensitive than a top-loading balance

Answer 6

TRIPLE BEAM BALANCE

Question 7

A round piece of a glass that is slightly concave/convex (think of a lens). It can hold a small amount of liquid or solid

Answer 7

WATCH GLASS

Question 8

It is a piece of metal with jaws and springs that are self-closing

Answer 8

TEST TUBE HOLDER

Question 9

It is durable bowl commonly made of stone, ceramic, or wood

Answer 9

MORTAR

Question 10

It is a rounded grinding club often made of the same material as the mortar

Answer 10

PESTLE

Question 11

A small piece of apparatus which typically consist of a narrow tube into which fluid is drawn by suction. Used to measure and dispense small amounts

Answer 11

PIPETTE

Question 12

Erlenmeyer flask, used for easy mixing and swirling, is also known as

Answer 12

CONICAL FLASK

Question 13

It looks like a small bowl made of ceramic and with a pour spout. Used best for evaporation

Answer 13

EVAPORATING DISH

Question 14

Other name for clay triangle

Answer 14

PORCELAIN TRIANGLE

Question 15

It works similar to a suction pump for producing suction or moving or collecting materials by suction

Answer 15

ASPIRATOR

Question 16

The purpose of this part of a distilling flask is to facilitate condensation

Answer 16

SIDE ARM

Question 17

The burette made for acidic liquids is made of what material?

Answer 17

GLASS

Question 18

It is used for extremely accurate addition of liquid

Answer 18

BURETTE

Question 19

Which of the following is considered the least sensitive balance?

Answer 19

TRIPLE BEAM BALANCE

Question 20

The balance with the highest readability among the list is

Answer 20

ANALYTICAL BALANCE

Question 21

A triple beam balance has three decades or beams with a maximum capacity of

Answer 21

1g, 10g, 100g

Question 22

Describe what a crucible is

Answer 22

• MADE OF GLASS MATERIAL THAT CAN WITHSTAND EXTREME TEMPERATURE
• A SMALL BOWL MADE OF CERAMIC WITH SPOUT

Question 23

English method is also known as

Answer 23

IMPERIAL SYSTEM

Question 24

Countries that use English methods as main measurement system

Answer 24

• MYANMAR
• UNITED STATES

Question 25

Countries do not use English method as its main measurement system

Answer 25

• NIGERIA
• UNITED KINGDOM

Question 26

Specialized devices that do not require infrastructure change to accomodate its use

Answer 26

APPARATUS

Question 27

Specialized devices that require infrastructure change to accomodate it use

Answer 27

EQUIPMENT

Question 28

Which glassware is used as aid for a beaker?

Answer 28

WATCH GLASS

Question 29

This is a three-legged platform used to support flasks during heating

Answer 29

TRIPOD

Question 30

Which material can be used in filtering porous?

Answer 30

• FILTER PAPER
• ASBESTOS
• CLOTH

Question 31

The proper way of using a pipette is by putting which finger on the top opening?

Answer 31

INDEX FINGER

Question 32

The following are gases that are commonly used in bunsen burner

Answer 32

• METHANE
• PROPANE
• ETHANE

Question 33

In reading a burette, if the initial reading is 3.5 ml and the final reading is 8.2 ml, how much liquid was delivered?

Answer 33

4.7 ml

Question 34

The metric system is now called as

Answer 34

INTERNATIONAL SYSTEM OF UNITS

Question 35

Convert 12 grains (AP) to pounds

Answer 35

0.0021 lbs

Question 36

If 250 ml of alcohol weigh 203 g, what is its density? Will it float or sink in water?

Answer 36

• FLOAT
• 0.812 g/ml