In Some Experiments, Several Identical Groups Are Set Up, Keeping

question 130

Multiple Choice

In some experiments, several identical groups are set up, keeping conditions similar among them. In the _____ group, a change is deliberately introduced. In the _____ group, this change is not introduced. In this way, the researcher can determine if the change has an effect.

• A)control; test
• B)test; control
• C)null; variable
• D)variable; null

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Definitions:

Pentanal

An organic compound with the formula C5H10O, an aldehyde with a straight-chain of five carbon atoms, known for its strong odor.

Heptan-3-ol

An organic compound, part of the alcohols class, featuring a seven-carbon chain with a hydroxyl group (-OH) attached to the third carbon atom.

Organic Product(s)

Substances derived from living organisms or synthesized to mimic natural compounds, primarily consisting of carbon atoms.

Organic Product(s)

Substances derived from organic reactions, typically characterized by their natural composition or green chemistry principles.