Question

What do the following stand for- CO, CO2, H2O, SO2, CH4, NO2, Pb, H2SO4, HNO3, N2O, COHb, O3

Answer 1

CO:-

Carbon monoxide

CO2:-

Carbon dioxide

H2O:-

Water

SO2:-

Sulfur dioxide

CH4:-

Methane

NO2:-

Nitrogen dioxide

Pb:-

Lead

H2SO4:-

Sulfuric acid

HNO3:-

Nitric acid

N2O:-

Nitrous oxide

COHb:-

Carboxyhemoglobin

O3:-

Ozone

Answer 2

CO- cobalt
CO2-carbondyoxide
H2O- water
SO2-sulfur dioxide
CH4- methane
NO2-nitrogen dioxide
Pb-lead
H2SO4-sulfuric acid
HNO3-nitric acid
N2O-nitrous oxide
COHb-carboxyhemoglobin
O3-ozone