Given the Following Information About the Activity Series, Select Element(s)

question 113

Multiple Choice

Given the following information about the activity series, select element(s) that could be used to protect the iron in a steel ship's hull from corrosion.Cu < H₂ < Sn < Fe < Zn < Mg

• A)Cu or Sn
• B)Cu, H₂, or Sn
• C)Cu only
• D)Mg only
• E)Zn or Mg

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Definitions:

Placebo Effect

A beneficial effect that cannot be attributed to the properties of a placebo itself, and must therefore be due to the patient's belief in the treatment.

Imaginary Effect

A perceived outcome or result that does not have a basis in physical reality, often associated with placebo effects.

Hypochondriacs

Individuals who excessively worry about having a serious illness despite the absence of medical evidence to support their concerns.

Double-Blind

An experimental design in which neither the participants nor the experimenters know who is receiving a particular treatment, to prevent biases.