$2.$The most common industrial method for producing hydrochloric acid is:

A$)$ Direct synthesis from the elements hydrogen and chlorine

B$)$ Acidification of sodium chloride

C$)$ Dehydration of hydrochloric acid solutions

D$)$ Electrolysis of saltwater

NATURAL PRODUCTS PROCESSING: Gasification of Coal

Coal gasification is a process that converts coal into:

A$)$ Liquid petroleum

B$)$ A pure form of carbon

C$)$ Gaseous fuels and chemical feedstocks

D$)$ Solid waste material

Chemicals from Coal

Which of the following is not a typical product derived from coal chemical processing?

A$)$ Methanol

B$)$ Ethylene

C$)$ Benzene

D$)$ Sodium chloride

Fermentation Processes

The primary biochemical product of the fermentation process using yeast is:

A$)$ Ethanol

B$)$ Lactic acid

C$)$ Acetic acid

D$)$ Methane