The Benefits of Emission Control Systems Are To

question 40

Multiple Choice

The benefits of emission control systems are to:

• A) control hydrocarbon fuel vapors from escaping into the atmosphere
• B) convert harmful exhaust gases into less harmful emissions before they leave the tailpipe
• C) reduce fuel consumption
• D) all of the above

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Definitions:

Nitric Acid

A highly corrosive and toxic strong acid, used in the production of fertilizers, explosives, and in many organic syntheses.

Haworth Structure

A way of depicting cyclic sugars in a planar ring form, useful in illustrating the stereochemistry of the molecule.

Ethyl β-D-Galactopyranoside

A chemical compound that consists of ethyl and galactose molecules, where the galactose component is in the pyranose ring form and the anomeric carbon is in the beta configuration.

Methyl Glycoside

A compound resulting from the reaction of a sugar with methanol where the sugar's anomeric carbon is linked to a methoxy group.