MODULE 1: FAMILIARIZATION OF LABORATORY APPARATUS AND SAFETY PRECAUTIONARY MEASURES

Question 1

a flat-bottomed cylindrical container, usually with a pouring lip, to measure, mix, and prepare liquids.

Answer 1

Beaker

Question 2

a hollow cylinder of thin glass with one end closed, used for experiments in labs.

Answer 2

Test Tube

Question 3

This is 6.25 inches long with finger grips. Holds any size test tube.

Answer 3

Test Tube Holder or clamp

Question 4

used to hold test tubes when they are hot and untouchable.

Answer 4

Test Tube Holder

Question 5

This test tube holder is also known as

Answer 5

clamp

Question 6

test tube holder is how many inches long?

Answer 6

6.25 inches long

Question 7

A plastic holder used to hold test tubes or dry them.

Answer 7

Test Tube Rack

Question 8

a bottle, usually of glass, having a rounded body and a narrow neck, used especially in laboratory experimentation.

Answer 8

Erlenmeyer Flask

Question 9

a narrow, cylindrical container marked with horizontal lines to represent units of measurement and used to precisely measure the volume of liquids.

Answer 9

Graduated Cylinder

Question 10

an optical instrument having a magnifying lens or a combination of lenses for inspecting objects too small to be seen or too small to be seen distinctly and in detail by the unaided eye.

Answer 10

Microscope

Question 11

lens that produces an enlarged image of an object.

Answer 11

Magnifying Glass

Question 12

A glass or plastic rectangular slide that is used for specimens to be looked at under a microscope.

Answer 12

Microscope Slide

Question 13

used to place over the specimen on the Microscope Slide. This holds it in place.

Answer 13

Cover Slip

Question 14

a slender graduated tube used in a laboratory for measuring and transferring quantities of liquids from one container to another.

Answer 14

Dropper

Question 15

are a common laboratory tool used to transport measured volumes of liquid and come in a multitude of channels, displacements and construction materials.

Answer 15

PIPETTE

Question 16

What are the 2 types of pipettes?

Answer 16

• serological
• micropipette

Question 17

a type of gas burner, commonly used in chemical laboratories, with which a very hot, practically nonluminous flame is obtained by allowing air to enter at the base and mix with the gas.

Answer 17

Bunsen Burner

Question 18

A glass, cylindrical-like stick that is used to mix solutions in a beaker.

Answer 18

Glass Stirring Rod

Question 19

A glass stirring rod is also called a what?

Answer 19

Also referred to as a “Swizzle Stick”

Question 20

is used to read the mass of items

Answer 20

Triple Beam Balance

Question 21

What are the three beams of a triple beam balance?

Answer 21

1. 100 gram increments
2. 10 gram increments
3. 1 gram increments

Question 22

How is a triple beam balance used?

Answer 22

First make sure to calibrate the scale so that it reads zero when nothing is placed on the pan, with all weight to the left.

Question 23

First make sure to calibrate the scale so that it reads zero when nothing is placed on the pan, with all weight to the right

True or false

Answer 23

all weight to the LEFT

FALSE

Question 24

is an instrument that measures the amount of photons (the intensity of light) absorbed after it passes through sample solution

Answer 24

SPECTROPHOTOMETER

Question 25

A spectrophotometer is an instrument that measures WHAT?

Answer 25

measures the amount of photons (the intensity of light) absorbed

Question 26

With the spectrophotometer, the amount of a known chemical substance (concentrations) can also be determined by measuring the WHAT?

Answer 26

by measuring the intensity of light detected.

Question 27

It separates the liquid and solid portion of a solution.

Answer 27

CENTRIFUGE

Question 28

any device that applies a sustained centrifugal force—that is, a force due to rotation.

Answer 28

CENTRIFUGE

Question 29

Centrifuge, any device that applies a sustained centrifugal force—that is, a force due to WHAT?

Answer 29

rotation

Question 30

is a flat surfaced device used for controlled the heating directly or using the hot plate to create a heat bath.

Answer 30

HOT PLATE

Question 31

In the lab, a hot plate can be more useful than a Bunsen burner

True or false

Answer 31

TRUE

Question 32

In the lab, why is a hot plate can be more useful than a Bunsen burner ?

Answer 32

because the hot plate has the option of heating the substance slow as opposed to a rapid open flame heat source.