BPSC – Combined Competitive Examination · প্রশ্ন 19
Which of the following liquids is a bad conductor of electricity?
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (D) None of the above
ব্যাখ্যা
Solutions of salts and acids are electrolytes and conduct electricity; none of the listed liquids is a bad conductor.
- (A) ভুল
Wrong: dissolved ions make it a good conductor.
- (B) ভুল
Wrong: its acids/ions let it conduct.
- (C) ভুল
Wrong: citric acid makes it conduct.
- (D) সঠিক
Correct: all three contain ions and conduct electricity.