Examlex
Which of the following is obtained by the reaction of 2-butanone with H2 in the presence of a transition metal catalyst?
Teacher
A person who instructs students in a variety of subjects or skills, often in a school setting.
Explanatory
Pertaining to a variable or factor that is proposed to predict or account for changes in a response variable in the context of statistical analysis or scientific research.
Response
The reaction or reply to a stimulus or a specific experimental treatment in research.
Circumference
The total length of the boundary line around a circular object.
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