The questions from today’s “December 11, 2025” on NYT Mini Crossword are a little bit brain teaser. Many people are looking for an answer to it. Here we are sharing answers for clues.
Clue: Iron ___ (rust)
Answer: OXIDE
Explanation of clue:
The answer to the clue “Iron ___ (rust)” is “OXIDE.” This refers to iron oxide, which is a compound formed when iron reacts with oxygen in the presence of moisture or water. The process of this chemical reaction results in the formation of rust, which is commonly observed as a reddish-brown flaky coating on iron and steel objects. Rusting is an oxidation reaction, and the specific type of iron oxide that forms can vary, but it typically involves Fe₂O₃ or similar compounds. The term “oxide” in chemistry refers to a compound that contains at least one oxygen atom and one other element, in this case, iron. Understanding how iron oxide forms is crucial in fields like metallurgy and engineering because rust can significantly weaken metal structures. By knowing how to prevent or manage rust, industries can extend the lifespan of metal products.
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