Question # 1

Incinerator reduces solid waste into .

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Ash

Flue gas

Heat

All of them

Which one of the following is not an air pollutants?

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Nitrogen

Carbon dioxide

Nitrogen oxide

Ozone

Which metal present in acid rain affect the aquatic life by clogging fish gills?

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Lead

Chromium

Aluminium

Mercury

Cause of global warming is:

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CO₂gas

SO₂gas

NO₂gas

O₂gas

Which of the following is a secondary pollutant.

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CO₂

CO

SO₃

HF

Which gas is responsible in warming the atmosphere?

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Nitrogen

Hydrogen

Helium

Fluorine

The Earth's atmosphere is getting hotter because of.

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Increasing concentration of CO

Increasing concentration of CO₂

Increasing concentration of O₃

Increasing concentration of SO₂

Which of the following can be used as a fuel?

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Methanol

Ethanol

Bio-diesel

All of them

Atmosphere has regions.

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One

Two

Three

Four

In the bacterial decay, the compound of which element are emitted.

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Sulphur

Carbon

Nitrogen

All of them

Ozone is formed in:

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Troposphere

Stratosphere

Mesosphere

Thermosphere

The percentage of SO₂released by the combustion of coal and petroleum product.

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40%

60%

70%

80%

Ultraviolet radiations can causes.

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Hepatitis

Asthma

Skin cancer

Night blindness

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