science gk questions 2018

Important science gk questions frequently asked in psc exams Instrument which  converts sound to electrical energy?answer: microphonewhich is the lightest element?answer: LithiumAcid present in vinegar ?answer: Acetic acidThe non metal which is in liquid state at atmospheric temperature ?answer: brominePart of the brain which help the body balance?answer: Cerebellum For more gk questions

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