Which Is Not Generally Considered to Be a Chemical Reaction

question 115

Multiple Choice

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

• A)2 Mg(g)+ O₂(g)→ 2 MgO(s)at room temperature
• B)3 Mg(s)+ N₂(g)→ Mg₃N₂(s)at elevated temperatures
• C)Mg(s)+ 2 H₂O(l)→ Mg(OH)₂(s)+ H₂(g)at room temperature
• D)Mg(s)+ F₂(g)→ MgF₂(s)at room temperature

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Definitions:

Applied Voltage

The voltage that is externally applied to a circuit or component to drive its operation.

Fuse

A safety device consisting of a strip of wire that melts and breaks an electric circuit if the current exceeds a safe level.

Excessive Current

A current flow surpassing the designed or safe limit of an electrical circuit or device, potentially leading to overheating or damage.

Total Resistance

The sum of all resistances in an electrical circuit, affecting the overall current flow.