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)
The substance often used for vulcanization of rubber is? ...
The drying agent suitable for drying ammonia is ...
What is the chemical symbol for Meitnerium? ...
The hydrocarbon that burns in air with a sooty flames is ...
The postulate that molecules are in constant random motion best explains why liquids ...
An aqueous solution of CaCI2 is...
In which of the following compounds is the oxidation number of nitrogen equal to + 3?...