Question

Choose the odd one out. Give a reason for your answer.

• A. Wood
• B. Iron
• C. Plastic
• D. Silk

Answer 1

The correct option is B

Iron

1. Wood, plastic, and silk are poor conductors of electricity.
2. Wood, plastic, and silk are non-conductors.
3. Iron is a conducting material.
4. Therefore, iron is the odd one out of all.

Hence, option B(iron) is correct.