Multiple choice

Small amount of a mineral salt present naturally in water makes it a______________ of electricity.

  1. insulator

  2. conductor

  3. both a and b

  4. none of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Pure water is a poor conductor of electricity, but the presence of dissolved mineral salts (ions) allows it to conduct electricity effectively.

Keep practicing — related questions