Q. Which of the following is not true for diamond? (Solved)
1. Parting off
2. If the hardest substance known
3. Expensive to be shaped
4. It is ductile
5. It is also used as a cutting tool
- d. It is ductile
1. Parting off
2. If the hardest substance known
3. Expensive to be shaped
4. It is ductile
5. It is also used as a cutting tool