PLATINUM AND GOLD.
Methods of obtaining, and uses
CHAPTER LIII.
CHEMISTRY OF ROCKS.
Classification.—Composition.—Importance of siliceous rocks.—
Soils.—Minerals.—The earth's interior.—Percentage of elements
CHAPTER LIV.
ORGANIC CHEMISTRY.
Comparison of organic and inorganic compounds.—Molecular differences.—Synthesis of organic compounds.—Marsh-gas. series.—-Alcohols.—Ethers.—Other substitution products. — Olefines and other series.