Man's physical universe

xanabras

1

H

614 MAN IS MASTERING HIS MATERIAL WORLD

unsaturated compounds and the corresponding saturated compounds

produced by hydrogenation are fats.

Coal may be hydrogenated to produce gasoline, and this process is

now being carried out on a large scale in certain European countries.

The Majority of Organic Reactions Are Substitution Reactions.

If methane is treated with chlorine under properly controlled conditions,

one or more of the hydrogen atoms may be replaced with chlorine

atoms. Thus:

H H H CI CI

^—c—

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