ECAT Pre Engineering Chemistry Chapter 27 online mcq test with answers for chapter 27 (Environmental Chemistry)

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ECAT Pre Engineering Chemistry Chapter 27 MCQ Test With Answer for Chemistry chapter 27 (Environmental Chemistry

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Online MCQ`s Test For Chapter 27 "ECAT Chemistry Chapter 27 Environmental Chemistry Online Test"

ECAT Chemistry Chapter 27 Environmental Chemistry Online Test

Swage water is purified by

Result of ozone hole is

Drawback DDT as presticide is

SO2Makes ______ acid rains

Which one is the most toxic?

Ozone layer of stratosphere requires protection from indiscriminate use of

Acid rain is due to increase in atmospheric concentration of

Shahi Qilla may be destroyed by

When chlorofluoro carbon are subjected to U.V. they form

Water pollution is mainly due to

Ozone hole is maximum over

Burning of fossil fuels is the main source of pollution

The 95.5% mass of Lithosphone is made of 11 elements i.e. O2, Si, Al, Fe, Ca, Na, K, Mg, Ti, H2and P. which element is present in trace amount

UV radiations bring about

When rain is accompanied by a thunderstorm, the collected rain water will have a pH value

Industrial effuents have toxic synthetic organic compounds as well as heavy metals like

Ozone hole refers to

Environmental pollution affects

CFCs destroy ozone layer. How many ozone molecule a chlorine free radical can destroy

The amount of oxygen in the lithosphere is about

Classical smog occurs in palces of

The pH range of the acid rain is

Which is not the condition for the formation of smog

Which gas is not a constituent of atmosphere

Carbon monoxide, emitted by automobiles, prevents transport of oxygen in body due

One of the environmental problem is the formation of oil slicks when oil is spilled from tankers in sea water. Which treatment is suitable to remove oil slicks

Soil salinity can be measured by

Which one of the following is not air pollutant gas

Depletion of ozone layer is due to

Value of chemical oxygen demand (COD) is a measure of chemically oxidizable matter in water. Which value of COD will indicate more polluted water

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ECAT Pre Eng. Chemistry Ch 27 Test

Top Scorers Of Chapter 27 "ECAT Chemistry Chapter 27 Environmental Chemistry Online Test" MCQ`s Test

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SO₂Makes ______ acid rains

The 95.5% mass of Lithosphone is made of 11 elements i.e. O₂, Si, Al, Fe, Ca, Na, K, Mg, Ti, H₂and P. which element is present in trace amount