Question

what is the major component of tobacco smoke

Answer 1

Some smoke component such as carbon monoxide (CO), hydrogen cyanide (HCN) and nitrogen oxide are gases others such as formaldehyde, benzene .

Answer 2

Cigarette smoke is a complex mix. It contains carbon monoxide (CO), hydrogen cyanide (HCN), and nitrogen oxides in gases. Others, like formaldehyde, acrolein, benzene, and certain N-nitrosamines, are volatile chemicals available in the liquid vapor part of the smoke.

Some more like nicotine, phenol, polyaromatic hydrocarbons (PAHs), Hydrogen cyanide and other ciliatoxic agents are tobacco-specific nitrosamines (TSNAs found in cigarette smoke.