$1.$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

The primary environmental concern associated with the production of sulphuric acid is:

A$)$ Release of chlorofluorocarbons $($CFCs$)$

B$)$ Emission of sulphur dioxide into the atmosphere

C$)$ Consumption of large volumes of water

D$)$ Generation of nuclear waste

Which catalyst is commonly used in the Contact Process for producing sulphuric acid?

A$)$ Platinum

B$)$ Vanadium$($V$)$ oxide

C$)$ Iron$($III$)$ chloride

D$)$ Zinc oxide