Which device converts chemical energy into electrical energy?

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Which device converts chemical energy into electrical energy? Answer: Battery

A battery or electrochemical cell converts chemical energy into electrical energy through redox reactions occurring between electrodes and electrolytes. This process enables devices like mobile phones, flashlights, and cars to operate without direct electrical supply.

Question context

This question is part of 🔬 General Science within the broader 🌐 Current Affairs & GK subject and appears in the ASF Airports Security Force preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.