BPSC – Combined Competitive Examination · வினா 19
Which of the following liquids is a bad conductor of electricity?
விடையைக் காட்டு & விளக்கம்
விடை: (D) None of the above
விளக்கம்
Solutions of salts and acids are electrolytes and conduct electricity; none of the listed liquids is a bad conductor.
- (A) தவறு
Wrong: dissolved ions make it a good conductor.
- (B) தவறு
Wrong: its acids/ions let it conduct.
- (C) தவறு
Wrong: citric acid makes it conduct.
- (D) சரி
Correct: all three contain ions and conduct electricity.