Nearly All Early Telephones Were Installed in Businesses, Because

question 6

Multiple Choice

Nearly all early telephones were installed in businesses, because

• A) people were afraid that telephones were dangerous.
• B) people thought that the government was using telephones as eavesdropping devices.
• C) only men were allowed to use a telephone.
• D) most homes did not have electricity.
• E) leasing a telephone was expensive.

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Definitions:

Acetaldehyde

Acetaldehyde is a volatile, colorless, and flammable liquid compound (CH3CHO), used in the synthesis of various chemicals and as a flavoring agent, and is a byproduct of alcohol metabolism.

Carbon-oxygen

Refers to a chemical bond or functional group involving a carbon atom and an oxygen atom.

Molecular Formula

A representation of the number and type of atoms in a molecule without indicating how they are bonded together.

Cis-trans Isomers

Stereoisomers that have the same molecular formula and sequence of bonded atoms but differ in the orientation of groups about a double bond.