Q. The percentage of carbon in anthracite is generally (Solved)
1. more than 90%
2. around 75%
3. between 50% and 70%
4. below 50%
5. None of the above
- a. more than 90%
1. more than 90%
2. around 75%
3. between 50% and 70%
4. below 50%
5. None of the above