Which of the following occurs in an oxidation reaction?
Removal of oxygen
Addition of carbon
Addition of neutrons
Removal of electrons
The Correct Answer is D
An oxidation reaction occurs when there is a removal of electrons. Oxidation is the loss of electrons during a reaction by a molecule, atom, or ion. When oxidation occurs, the oxidation state of the chemical species increases.
The other options are not correct because they do not accurately describe what occurs in an oxidation reaction. Removal of oxygen, addition of carbon, and addition of neutrons are not processes that occur in an oxidation reaction.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Soap’s dual polar and nonpolar nature helps bond oil and water. Soap is an emulsifier, which means that it has both polar and nonpolar regions. The polar regions of soap molecules are attracted to water, while the nonpolar regions are attracted to oil and grease. This allows soap to bond with both water and oil, helping to remove dirt and grime from surfaces.
B. Soap’s acidity does not cause grime to precipitate into the water.
C. Soap does not have enzymatic action that helps to dissolve grime into small particles.
D. Soap’s texture does not physically scour grime off surfaces.
Correct Answer is C
Explanation
The study does not indicate a causal relationship between the processes. A correlation between two processes means that there is a statistical relationship between them, but it does not necessarily imply causation. In other words, just because two processes are correlated does not mean that one causes the other.
A. The study does not indicate that Process A causes Process B.
B. The study can indicate whether Processes A and B have a positive relationship if the correlation is positive.
D. The study can indicate whether Processes A and B have a negative relationship if the correlation is negative.
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