Question # 1

Which of the following process is used for the removal of gases.

Choose an answer

Precipitation

Chemical reaction in the atmosphere

Absorption

All above

Which of the following statement is not true with respect to the role of matter undergoing decomposition.

Choose an answer

Decomposed matter increase soil fertility

They provide a texture which is favorable for plant growth

Organic compounds for complexes with mineral nutrients which enhance uptake by plants.

In high concentration the decomposition product may increase the photosynthesis

The expected specific waste of paper and allied products industry is.

Choose an answer

Chemicals

Paper and fibre residues

Links

All above

Which of the following statement is not related with nitric oxide.

Choose an answer

It is a colorless and odourless gas

It is produced largely by fuel combustion

It is a brown pungent gas

It is oxidized to NO2

Ozone layer of stratosphere requires protection from indiscriminate use of.

Choose an answer

Fungicides, insecticides, bactericides and medicines

Aerosols and high flying jets

Atomic explosions and industrial wastes

Weather ballons

Ozone is stratosphere is depleted by

Choose an answer

CF2Cl2

C7F16

C6H6Cl6

C6F6

Which of the following compounds has fishing ordure

Choose an answer

ammonia

Organic sulphides

Amines

H2S

Which of the following substance is released into environment in the nuclear power plants.

Choose an answer

Iodine -131

Argon - 41

Sr-90

Cs- 137

All above

The presence of which of the following in drinking water is responsible for mottling of teach.

Choose an answer

Mercury

Iodine

Chlorine

Flourine

Ground water is threatened with pollution from which of the following source.

Choose an answer

Domestic wastes

Industrial wastes

Agricultural wastes

All above

Which of the following gas protects us form harmful effect of uv radiation.

Choose an answer

SO2

NO2

CO

O3

DDT is

Choose an answer

Biodegradable pollutant

Nodegradable contaminant

Air pollutant

An antibiotic

Which of the following substance is colloidal in nature.

Choose an answer

Clay

Al2O3

Fe2O3

All above

Chlorofluorocarbon are widely used as coolants in.

Choose an answer

Air conditioners

Clearing solvents

Aerosol propellant's

All above

The most promising technique for solar production of electricity is.

Choose an answer

Dry cell

Battery

Solar cell

None of above

Air pollution is not caused by

Choose an answer

Pollen grains

Hydroelectric power

Industries

automobiles

Which of the following substance is not present in acid rain.

Choose an answer

Sulphuric acid

Nitric acid

Acetic acid

Sulphurous acid

Which of the following statement is no true with respect to nitrogen dioxide.

Choose an answer

It is produced by the oxidation of NO

Its small concentration has been detected to lower stratosphere

It is major pollutant

It does not absorb sunlight.

Acid rain is caused due to increase in the concentration of _______ in the atmosphere

Choose an answer

Ozone and dust

CO2 and CO

SO3 and CO

SO2 and NO2

The key element to be considered when evaluating a health hazard is.

Choose an answer

The amount of material the employee is exposed.

The total time of exposure

The toxicity of the substance

All above

Which of the following pose threat to historical monument Taj.

Choose an answer

Floods in Yamuna river

Temperature mediated spoilage of marble

Air pollutants from Mathura refinery

Weathering of marble

More Classes

Other Links

PPSC Chemistry Part V Environmental Chemistry 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

Choose an answer