Q. The addition of tetraethyl lead to petrol………… (Solved)
1. Lowers its octane number
2. Raises its octane number
3. May raise or lower the octane number
4. Has no effect on octane number
- b. Raises its octane number
1. Lowers its octane number
2. Raises its octane number
3. May raise or lower the octane number
4. Has no effect on octane number