ving heat when mixed with water ; by emitting no fumes. 
itric acid emits orange colored fumes upon adding cop 
by which it is changed to blue. It tinges the skin yellow. 
~ Muriatic acid emits pungent fumes, If nitrate of silver be a dee 
to it, a very white precipitate is formed of muriate of silver, soluble 
in ammonia but not in nitric acid. . : 
».  Oxalic acid precipitates lime and all its salts from water. — 
to heat it volatilizes, leaving but a little residue. Muriatic ¢ 
~ solves and decomposes it with heat. — “ae 
Phosphoric acid precipitates barytes and lime-water. It. 
posed by charcoal at a high temperature, evolving carbonic 
phosphorus being sublimed. Seg ees . 
-Partaric acid produces a precipitate from lime-water. With pot. | 
ash it forms a neutral salt. st ga SS 
Prussic acid has a strong odor of bitter almonds, and is contained 
in that fruit, and in the leaves of the peach and laurel; it is soluble — 
in alcohol, but hardly in water, and is precipitated in its solution by 
nitrate of silver. 
eid diss 
ee ee 
_ Atkauies. (Potash, Soda, Ammonia. 
Symrroms.—The symptoms of having s do 
cess are, an acid, urinous and acrid taste in 
e 
in the throat, nausea and vomiting of bloody matter, wh 
syrup of violets to green, and effervesces with acids if the carb 
nated form of the acid has been taken; copious stools, acute 
in the stomach, colic, convulsions, and death. he 
geome 4. 
g "Prearment.—Give vinegar and other vegetable acids q 
neutralize the alkali; and treat the concomitant symptoms upo 
neral principles. . stint 
to 
+g 
— 
: Tests, —Alkalies have many properties in common ; their: 
tions feel ‘soapy ; they change vegetable blues to green, and 
_ to brown; remain transparent when carbonic acid is z 
; which serves to distinguish them ‘om alkaline ear 
, and eee. Sa, : 
ash and soda may soon be distinguished from each 
solution to dryness ; potash will become 
rom the atmosphere, while soda will remain dry. 
n_by its pungent smell. a. et 
— 
ALKALINE Earrus. (Lime, Bar ytes.yoe- 
_ _ SxmpToms.—Violent vomitings, convulsions, palsy of the limb. 
distressing pains in the abdomen, hiccup, alteration of counter 
the best antidotes. me 
any ofits forins has een 
and very early death. = 
met TMENT.—If lime has been taken, vinegar and « 
