NO
CO
HCHO
DDT
Correct answer is C
Formaldehyde (HCHO) is the most important carcinogen in outdoor air among the 187 hazardous air pollutants (HAPs) identified by the U.S. Environmental Protection Agency (EPA)
What is the chemical symbol for Uranium? ...
Consider the following reaction equation: CaO + SiO2 ------> CaSiO3 Silicon(IV) o...
Which of the following oxide causes acid rain? ...
The property used in the industrial preparation of nitrogen and oxygen from air is? ...
Hydrogen bonds are formed between molecules containing a hydrogen atom bonded to a ...
Hydrogenation may be effected by...
The maximum number of covalent bonds formed by nitrogen is ...