Question

when burnt CNG from carbon dioxide and​

Answer 1

Answer:

They may not be as toxic as diesel fumes but, scientists at CSIR say, gases produced while burning CNG contain carbon nanoparticles. ... "This is a result of combustion which causes carbon disintegration. We have to see if the nanoparticles arise from CNG or the lubricant used.

Answer 2

Question 1: When a hydrocarbon fuel is burnt, it always gives out carbon dioxide and water vapour.