Preparation.—Tests.—Description.—Uses

CHAPTER XXXII.
IODINE.

Preparation.—Tests.—Iodo-starch paper.—Occurrence.—Uses.—
Fluorine

CHAPTER XXXIII.
THE HALOGENS.

Comparison.—Acids, oxides, and salts

CHAPTER XXXIV.
VAPOR DENSITY AND MOLECULAR WEIGHT.

Gaseous weights and volumes.—Vapor density defined.—Vapor density of oxygen