Q. Which of the following statement about SF6 gas is incorrect? (Solved)
1. It is non-toxic gas
2. It is non-inflammable
3. It has density 5 times that of air at 200C
4. It has dark yellow color.
- d. It has dark yellow color.
1. It is non-toxic gas
2. It is non-inflammable
3. It has density 5 times that of air at 200C
4. It has dark yellow color.