The Iodization of Salt _____

question 37

Multiple Choice

The iodization of salt _____.

• A) began in the United States in the 1880s
• B) has helped eradicate most cases of cretinism in the United States
• C) is mandatory in the United States
• D) is available to only about 10% of households in developing countries
• E) has no benefit except for children

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Definitions:

1,3,5-Hexatriene

A linear hydrocarbon with alternating single and double bonds, specifically found in conjugated systems.

Dienophiles

Reactants used in Diels-Alder reactions that have electron-poor double or triple bonds and react with dienes to form cyclic compounds.

(E,E)-Isomer

Refers to a type of geometric isomerism where substituents are positioned on opposite sides of a double bond or rings in a molecule.

(Z,Z)-Isomer

A specific stereoisomer where the highest priority substituents on both sides of a double bond (or bonds) are on the same side, according to CIP rules.