Inorganic acids

Question 1

_________ is available commercially between 99.5-100.5% (NF) calculated as anhydrous (dry form).

Used as antiseptic in solutions, ointments, and dusting powder.

Answer 1

Boric Acid

Question 2

Ingredient of eye washes in concentration between 2.5 – 4.5%., as buffering agent

When combined with glycerin at 140-150 oC it produces a compound known as Boroglycerin Glycerite (C3H3BO3) that is an ingredient of some suppositories.

Answer 2

Boric Acid

Question 3

Available in three forms:
1. Colorless, odorless, and pearly scale.
2. 6-scaled triclinic crystals
3. white odorless powder that has a soapy feeling.

Has a density of 1.46

Soluble in water and alcohol.
Freely soluble in glycerin, boiling water, and boiling alcohol.

Boric acid is not absorbed through intact skin but is highly toxic ingested orally.
Topically absorbed when applied on open skin.

Crystallizes with a slight drop of temperature.

Answer 3

Boric Acid

Question 4

Hydrogen Borate / Orthoboric acid

Answer 4

Boric Acid

Question 5

Native _______ are called sassolite.

Mostly found in nature as a compound: borax (Na2B4O7); Borocalcite
(Ca2B4O7 4H2O)

Its highly toxic property limit Boric acid to be taken internally.

Answer 5

Boric Acid

Question 6

_____ is an aqueous solution of hydrogen chloride gas containing 35-38% w/w ______.

Muriatic acid (technical grade) contains 35-38% ______. The other components (impurities) is responsible for the yellow color of the solution.
muria = brine

Answer 6

HCL

Question 7

used to remove chancres and warts

Answer 7

Nitric acid

Question 8

Very strong acid, turns litmus red

Decomposes on standing to form brown nitrogen dioxide

Liberates hydrogen gas with metals above hydrogen in the metal activity series.

Answer 8

Nitric acid

Question 9

Aqua fortis

Hydrogen nitrate

Answer 9

Nitric acid

Question 10

used to manufacture chemotherapy drugs

Answer 10

Sulfuric acid

Question 11

Colorless oily liquid

Soluble in water with release of heat

Corrosive to metal and tissues

Will char wood and most other organic matter on contact but it is unlikely to cause fire.

Answer 11

Sulfuric acid

Question 12

Battery acid

Hydrogen sulfate

oil of vitriol

Answer 12

Sulfuric acid

Question 13

used in etching solution for clean teeth

Answer 13

Phosphoric acid

Question 14

Non-combustible, colorless, odorless, and hygroscopic crystals.

Comes as a viscous solution in water which contains 75-85% phosphoric acid.

Answer 14

Phosphoric acid

Question 15

Concise etchant

Condact

K-etchant

orthophosphoric acid

Answer 15

Phosphoric acid