LAB: Lesson 1

Question 1

Science of evolving and adapting methods. Obtains information about chemical imposition

Answer 1

Analytical Chemistry

Question 2

Qualities that distinguish a substance from one another

Answer 2

Analytical signs

Question 3

Chemical interaction of atoms, molecules, andions

Answer 3

Chemical methods of analysis

Question 4

Substance of radioactivity, electromagnetic, properties, or radiation

Answer 4

Physical methods

Question 5

Biologically active substance and biological system

Answer 5

Biological methods

Question 6

Biological origin are investigated with chemical methods

Answer 6

Biochemical methods

Question 7

Reagent chemical committee of the American chemical society

Answer 7

Reagent grade

Question 8

The national institute of standards and technology

Answer 8

Primary-standard grade

Question 9

Chemicals prepared for specific application

Answer 9

Special-purpose reagent chemicals

Question 10

Can cause partial loss of solution

Answer 10

Bumping

Question 11

Oxidation of organic constituents

Answer 11

Wet washing

Question 12

160-200 g and 0.1g

Answer 12

Macrobalance

Question 13

10-30 g and 0.01mg

Answer 13

Semimicroanalytical balance

Question 14

1-3 g and 0.001mg or lug

Answer 14

Microanalytical

Question 15

Was 2 pans and considered an equal arm balance

Answer 15

Single-pan mechanical balance

Question 16

Single pan replaced the?

Answer 16

Traditional balance

Question 17

Widely used balance

Answer 17

Electronic analytical balance

Question 18

Common way to remove moisture

Answer 18

Oven drying

Question 19

Serve only as containers

Answer 19

Simple crucible

Question 20

Containers and for filter

Answer 20

Filtering crucibles

Question 21

Limit of -200°C

Answer 21

Sintered-glass crucibles

Question 22

Was a proferated bottom

Answer 22

Gooch crucible

Question 23

Important filtering medium

Answer 23

Paper

Question 24

Manufactured from cellulose fibers

Answer 24

Ashless paper

Question 25

Greatly shorten drying circles

Answer 25

Microwave laboratory

Question 26

Provides the highest temperature

Answer 26

Meker burner

Question 27

2nd and 3rd highest temperature

Answer 27

Tirril and Bunsen

Question 28

Convenient source of heat

Answer 28

Bunsen

Question 29

Unit of volume

Answer 29

Liter (L)

Question 30

Transfer accurately known volumes

Answer 30

Pipets

Question 31

Has greater precision than the pipete

Answer 31

Buret

Question 32

Ranging from 5ml to 5L

Answer 32

Volumetric flask

Question 33

Condition that causes the value to appear smaller

Answer 33

Parallax