Chapter 1

Question 1

wet/ bench chemistry

Answer 1

Classical method

Question 2

Pharmacy

Answer 2

1. Self-life
2. 90%
3. Adulterants
4. Drug Dissolution

Question 3

Instrumental

Answer 3

Modern Method

Question 4

Modern Method

Answer 4

Instrumental Method

Question 5

Collection of all the components in the sample containing analyte

Answer 5

Matrix/Sample Matrix

Question 6

Ion in an aqueous solution

Answer 6

Electrolyte

Question 7

It is also called as central science

Answer 7

Analytical Chemistry

Question 8

Technique apply to a few analyte

Answer 8

Selective

Question 9

Technique to use for one analyte

Answer 9

Specific

Question 10

Species other than analyte

Answer 10

Interferants

Question 11

It is also called as expiry

Answer 11

Self-life

Question 12

Process of collecting mass sample

Answer 12

Sampling

Question 13

Devised to isolate analyte from interference

Answer 13

Scheme

Question 14

Improves quality of the result

Answer 14

Replication

Question 15

Same size carried through an analytical procedure

Answer 15

Replication

Question 16

Determines the mass of analyte

Answer 16

Gravimetric method

Question 17

Measures the electrical properties such as potential, current, resistance, quantity of electrical change

Answer 17

Electroanalytical Method

Question 18

Interaction between electromagnetic radiation and analyte atoms

Answer 18

Spectroscopic method

Question 19

Measures the volume of a solution

Answer 19

Volumetric Method

Question 20

Compromise of accuracy, time and money

Answer 20

Select Method

Question 21

Process of collecting small mass

Answer 21

Sampling

Question 22

It eliminates the substances from the samle

Answer 22

Eliminating Interferences

Question 23

Determines the proportionality between analyte and a measured quantity

Answer 23

Calibration

Question 24

True or False: Analytical results are complete when their reliability has been estimated

Answer 24

True

Question 25

Process of continues measurement and control

Answer 25

Feedback system

Question 26

Cycle of measurement, comparison, and control

Answer 26

Feedback loop

Question 27

Mostly used of biological, biomedical system, mechanical, and electronics

Answer 27

Feedback system

Question 28

A compound reagent used in determining arsenic

Answer 28

Diethyldithiocarbomate (C6H10NS2)

Question 29

It measures the intensity

Answer 29

Spectrophotometer

Question 30

Common ingredient of herbicide

Answer 30

Arsenic (As)

Question 31

Used to determine the agent of herbicide

Answer 31

Quantitative analysis

Question 32

Soluble in water and use as the active ingredients in many herbicide

Answer 32

Methlarsonic acid (CH3ASO(OH)2)

Question 33

Process of converting organic matrix to carbon dioxide and water. Involved heating

Answer 33

Dry Ashing

Question 34

Toxic, colorless gas that is evolved when H3AsO3 is treated with zinc

Answer 34

Arsine (AsH3)

Question 35

Molecule important in analytical chemistry

Answer 35

Arsine (AsH3)

Question 36

True or False: Arsenic can be separated from other substance that may interfere in analysis, converting it to arsine

Answer 36

True

Question 37

Use to determine the concentration of the two unknown solutions

Answer 37

Curve