Which Is Not Generally Considered to Be a Chemical Reaction

question 54

Multiple Choice

Which is not generally considered to be a chemical reaction of the alkaline earth metal calcium?

• A)Ca(s)+ Cl₂(g)→ CaCl₂(s)
• B)2 Ca(s)+ 2 H₂O(l)→ 2 Ca(OH)₂(aq)+ H₂(g)
• C)6 Ca(s)+ 2 N₂(g)→ 2 Ca₃N₂(s)
• D)Ca(s)+ O₂(g)→ CaO₂(s)

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Definitions:

Persistence in Memory

Typically refers to Salvador Dalí's painting showcasing melting clocks, but can also refer to the enduring nature of memory over time.

Absentmindedness

A state of preoccupation where one is so lost in thought that they become unaware of their immediate surroundings or actions.

Shallow Encoding

The process of encoding memory based on superficial features like the sound or appearance of words rather than their meanings.

Proactive Interference

The difficulty in learning new information because of the interference of existing similar knowledge or memories.