One Primitive Technology That Has Been Utilized for Centuries Is

question 43

Multiple Choice

One primitive technology that has been utilized for centuries is the creation of slaked lime, calcium hydroxide, Ca(OH) ₂ by reaction of calcium oxide, CaO, with water according to the following chemical reaction:
CaO_(s) + H₂O_(l) Ca(OH) _2(s)
Which of the following statements is true regarding the formation of slaked lime:

• A) Water is acting as an acid.
• B) The calcium hydroxide is acting as a base
• C) The calcium oxide and the calcium hydroxide are a conjugate acid/base pair.
• D) This is a buffer system.
• E) None of the above.

Recognize different scales of measurement and their implications for data presentation.

Identify the reasons for evaluating data before statistical analysis.

Understand the role of frequency distribution tables in presenting data.

Distinguish between reasons for and against examining data in research.

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