We knocked on the door but nobody answered. But is which part of speech?

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We knocked on the door but nobody answered. But is which part of speech? Answer: Conjunction

In the sentence, “but” is a coordinating conjunction. It connects two independent clauses: "We knocked on the door." "Nobody answered." Conjunctions join words, phrases, or clauses to show a relationship between them.

Question context

This question is part of 🗣️ Verbal Ability within the broader 🧠 Aptitude Mastery subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.