Question # 1

Ozone is mostly produced in

Choose an answer

Tropical region

North polar region

South polar region

Thermosphere zone of atmosphere

The residence time of NO is

Choose an answer

Few hours

1 day

3 days

4 days

The main pollutant of leather tanneries in the waste water is due to

Choose an answer

Lead

Chromium VI

Copper

Chromium III

Whcih water will be considered as polluted water.

Choose an answer

High value of COD

Low value of COD

High value of DO

Low value of BOD

Ozone depletion in stratosphere region is mainly due to the reaction of O3 with

Choose an answer

O2

SO2

CFCs

All of these

On earth polar ice caps and glacier contains H2O

Choose an answer

1%

2%

3%

10%

The disease can be eradicated by using pesticides.

Choose an answer

Malaria

Yellow fever

Sleeping sickness

All of these

Disinfection of water by chlorine is done by the production of.

Choose an answer

NH2Cl

NCl2

HOCl

NHCl2

A single chloride free radical can destroy how many ozone molecules.

Choose an answer

100

100000

10000

10

Peroxyacetyl nitrate is an irritant to humab beings and it affects

Choose an answer

Eyes

Ears

Stomach

Nose

The avoid the formation of toxic compounds with chlorine which substance is used for disinfecting water

Choose an answer

KMnO₄

O₃

Alums

Chloramines

Which gas is cause of Asthma

Choose an answer

O₃

O₂

SO₂

CO₂

Which one of the following is secondary pollutant of atmosphere.

Choose an answer

CO

NO2

SO2

H2SO4

The normal amount of overhead ozone is.

Choose an answer

300 DU

350 DU

400 DU

450 DU

Fungicides are teh pesticides which

Choose an answer

Control the growth of fungus

Kill insects

Kill plant

Kill herbs

Which field produces significant amount of methane in the atmosphere

Choose an answer

paddy field

Cotton field

Can sugar field

Wheat field

Peroxyacetyl nitrate (PAN) is a irritant to human beings and it affects

Choose an answer

Eyes

Ears

Stomach

Nose

A single chloride free radical can destroy how many ozone molecules

Choose an answer

100

100,000

100,00

unlimited

Fungicides are the pesticides which

Choose an answer

Control the growth of fungus

Kill insects

Kill plants

Kill herbs

Which one is primary pollutant.

Choose an answer

Peroxyacetyl nitrate

Sulphuric acid

Carbonic acid

Carbon monoxide

More Classes

Other Links

Chemistry Fsc Part 2 Chapter 16 Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer