
-
mnsoomro
Posts

Which free radicals is existing in the atmosphere?
CH3 HOO CH3COO HCO Submitted by :- Muhammad Nawaz

Which of the following is the residue which is formed on combustion of fuel in power plants?
Dust Soot Smoke Activated carbon Submitted by :- Muhammad Nawaz

Which is/are related to effects of photochemical smog?
Birth defects Aggravation of asthma Coughing and irritation of eyes All of these Submitted by :- Muhammad Nawaz

Photochemical smog consists of excessive amount of X in addition to aldehydes. Ketones. PAN Etc. X is
Methane Carbon monoxide Ozone Carbon dioxide Submitted by :- Muhammad Nawaz

Photochemical smog is caused primarily by which of the following?
CO NO2 O3 CO₂ Submitted by :- Muhammad Nawaz

Environmental pollution refers to which of the following?
Release of toxic/undesirable materials in environment Dissipation of energy Peeling of top soil None of these Submitted by :- Muhammad…

Which environmental problem could lead to a rise in sea level?
Acid rain Cutting down the trees in the rain forests Global warming Damage to the ozone layer Submitted by :-…

Which pollutant results from roasting and heating processes?
Dust Smoke Metal fumes All of these Submitted by :- Muhammad Nawaz

The procedure of addition of crystals of to concentrated syrup is known as sugar
Sulphitation Carbonation Defecation Seeding Submitted by :- Muhammad Nawaz