VA n VB

Question 1

• Replace air in container for parenteral solution
• triple bond-responsible for inertness

Answer 1

NITROGEN GAS

Question 2

Refrigerant, cryogenic

Answer 2

LIQUID NITROGEN

Question 3

Nitrogen oxide is stored in what color of cylinder

Answer 3

BLUE CYLINDER

Question 4

Gas (brown color or pale blue liquid)

Answer 4

N2O3 (NITROGEN TRIOXIDE)

Question 5

Brown gas

Answer 5

NO2 (NITROGEN DIOXIDE)

Question 6

• “St. elmo’s fire”
• light carrier (match)
• apatite

Answer 6

PHOSPHORUS

Question 7

Is normally a white waxy solid, which is colorless and translucent. Stored under water

Answer 7

PHOSPHORUS

Question 8

Varieties of phosphorus

Answer 8

• WHITE PHOSPHORUS
• RED PHOSPHORUS

Question 9

Poisonous variety of phosphorus

Answer 9

WHITE PHOSPHORUS

Question 10

Group VA’s compounds are ____

Answer 10

COVALENT

Question 11

• Laughing gas
• general anesthetic (inhalational)
• not use alone (causes diffusion -> HYPOXIA)

Answer 11

N2O (NITROGEN OXIDE)

Question 12

Made by heating P with small quantity of Na at 200 °C

Answer 12

VIOLET PHOSPHORUS

Question 13

This P4 tetrahedron is also present in liquid and gaseous phosphorus up to the temperature of 800 °C when it starts decomposing to P2 molecules

Answer 13

WHITE PHOSPHORUS

Question 14

Made by heating P with Pb at 530 °C

Answer 14

METALLIC OR BLACK PHOSPHORUS

Question 15

Made by heating PBr3 (phosphorus tribromide) with Hg at 240 °C

Answer 15

SCARLET PHOSPHORUS

Question 16

Component of physiologic buffer

Answer 16

• HCO3, H2CO3
• HPO4 -2, H3PO4
• Hgb and CHON

Question 17

Physiologic buffer for RBC and is the most effective single system for buffering H2CO3 during metabolic process

Answer 17

Hgb and CHON

Question 18

Physiologic buffer for plasma and kidneys

Answer 18

HCO3, H2CO3

Question 19

Physiologic buffer for cells and kidneys

Answer 19

HPO4 -2, H3PO4

Question 20

Buffer systems

Answer 20

• PHOSPHATE BUFFER
• BORATE BUFFER

Question 21

Examples of borate buffer

Answer 21

• FELDMAN’S BUFFER SYSTEM
• ATKINS & PANTIN BUFFER SYSTEM
• GIFFORD BUFFER SYSTEM

Question 22

Characteristics of Gifford buffer system

Answer 22

• pH 6-7.8
• BORIC ACID, KCL, SODIUM BORATE

Question 23

Non-poisonous variety of phosphorus and is used in the preparation of matches

Answer 23

RED PHOSPHORUS

Question 24

Characteristics of Atkins and pantin buffer system

Answer 24

• pH 7.6-11
• Na2CO3, BORIC ACID, NaCl

Question 25

- Adv. Enjoys containing dihydrogen & monohydrogen phosphate ions - Disadv. Insolubility with Ag, Zn, & Al, supports microbial growth

Answer 25

PHOSPHATE BUFFER

Question 26

Principal source of antimony

Answer 26

ANTIMONY GLANCE (STIBNITE) "ORANGE RED SULFATE)

Question 27

Example of phosphate buffer

Answer 27

SORENSEN BUFFER SYSTEM

Question 28

- Lewisite metal - anti-syphilis discovered by Paul Erlich - component of salvarsan, arsphenamine, compound 606 - antileukemia - preparation of various insecticide

Answer 28

ARSENIC

Question 29

Source of arsenic

Answer 29

ARSENOPYRITE (IRON ARSENIC SULFIDE (FeAsS)

Question 30

Characteristics of Feldman's buffer system

Answer 30

- pH 7-8.2 - BORIC ACID, NaCl, SODIUM BORATE

Question 31

Red sol'n containing AsI3 (arsenic triiodide) or HgI2 (mercuric iodide)

Answer 31

DONOVAN'S SOLUTION

Question 32

Fowler's solution

Answer 32

K ARSENITE

Question 33

In gutzeit test, when arsenic is present, a __________ is generated in the filter paper moistened with silver nitrate sol'n

Answer 33

LIGHT BROWN SPOT

Question 34

Cause pale nail bonds on finger nails

Answer 34

ARSENIC

Question 35

Curly hair = _____

Answer 35

HIGH CYSTEIN

Question 36

- "White arsenic" - Ingredient in paris green, fowler's and donovan's solution - 1° standard for CeSO4

Answer 36

ARSENIC

Question 37

Sources of antimony

Answer 37

- SENARMONTITE (ANTIMONY TRIOXIDE) - VALENTINITE (ANTIMONY OXIDE) - CERVANTITE (ANTIMONY TETROXIDE)

Question 38

Its pharmaceutical uses are expectorant, emetic, anthelminthic

Answer 38

ARSENIC

Question 39

- "Bismuth cream" - Bi(OH)3 + Bismuth subcarbonate - for H. pylori - internal protective for gastric ulcer

Answer 39

MILF OF BISMUTH

Question 40

- Tartar emetic - component of brown mixture - emetic - expectorant - treatment of schistosomiasis

Answer 40

ANTIMONY POTASSIUM TARTRATE

Question 41

- Alloy of antimony - 80% tin and 20% antimony

Answer 41

BABBIT METAL

Question 42

- "Beautiful meadow" - use in silvering of mirror - protoplasmic poison

Answer 42

BISMUTH

Question 43

Paris green

Answer 43

CU ACETO ARSENATE

Question 44

Its pharmaceutical uses are astringent, antiseptic, internal protective

Answer 44

BISMUTH

Question 45

Its adverse effects are blue black lining of gums, black stools

Answer 45

BISMUTH

Question 46

- Antacid, antiseptic, astringent, - 60 grams render alimentary canal opaque to x-ray

Answer 46

BISMUTH SUBCARBONATE

Question 47

Active ingredient in Devrom, an over-the-counter FDA-approved medicine commonly used to treat malodor by deodorizing flatulence and stool

Answer 47

BISMUTH SUBGALLATE

Question 48

- "White bismuth" - incompatible with tragacanth (Remedy: add NaHPO4) - used in the treatment of ulcer and inflammation of GIT

Answer 48

BISMUTH SUBNITRATE

Question 49

- Unaffected by bloody fluid - use in sheet form for surgical repair of bones, nerves, tissues - corrosion resistant

Answer 49

TANTALUM

Question 49

Source of tantalum

Answer 49

TANTALITE

Question 50

It is a hard, silvery gray, ductile and malleable transition metal

Answer 50

VANADIUM

Question 50

It is a soft, grey, ductile transition metal, which is often found in the pyrochlore mineral

Answer 50

NIOBIUM

Question 50

What is the main commercial source for niobium, and columbite?

Answer 50

PHYROCHLORE MINERAL

Question 51

Vanadium toxicity

Answer 51

GREEN TONGUE

Question 51

Sources of vanadium

Answer 51

CARNOTITE, PATRONITE, VANADINITE