Amidogen/aminyl radicle :)
When the elements combine form compounds, they do it to become stable. They give and taker the outside electrons or by sharing outer ring electrons.
2 is the correct answer because with 2O2 molecules it balances the chemical equation.
Hope that helps
Answer:
Flash point of Lube Oil is around the 187°C mark,
Flash point of Biodiesel of 130°C
Flash point of Diesel Ranging from 52° to 96°
