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.
Correct Answer:
Verified
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