Descriptive Research

question 32

Multiple Choice

Descriptive research

• A)is designed to test hypotheses.
• B)contributes to expanding a theory.
• C)is that which uses an experimental design.
• D)is expressed by if-then statements.

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Definitions:

Light Gases

Gases with low molecular weights, such as hydrogen, helium, or methane, that are often used in applications requiring low density.

Lightest Fraction

In petrochemistry, refers to the fraction of a crude oil that contains the lightest, most volatile components, such as gases and small hydrocarbons.

Volatile Components

Substances that can easily vaporize at room temperature or under mild heating, often contributing to the aroma of foods or products.

Gas Chromatography

An analytical method used to separate and analyze compounds that can be vaporized without decomposition, often used in chemistry for identifying substances within a test sample.