Which of the following do not conduct electricity? 1. Ethyl alcohol 2. Glucose 3. Water

Q. Which of the following do not conduct electricity? 1. Ethyl alcohol 2. Glucose 3. Water

1. Only 1
2. Only 3
3. Both 1 and 2
4. All 1, 2 and 3

Answer: All 1, 2 and 3