Q: Which of the following is a primary pollutant?

Primary Pollutants: CO,CO2, Aerosols, Bacteria, Pollens, Suspended particulates, Fly ash, Mist, Dew, Mist, Soot, Volcanoes, etc.

Question 1

वायुमण्डल में CO2​ गैस के अत्यधिक उत्सर्जीत होने पर क्या प्रभाव पड़ता है।

Accepted Answer

ग्लोबल वार्मिंग ग्रीन हाउस गैसों के उत्सर्जन के कारण होता है। कुल उत्सर्जित ग्रीन हाउस गैसों में CO2​ का प्रतिशत 72% है। अतः ग्लोबल वार्मिंग का प्रमुख कारण CO2​ का अत्याधिक उत्सर्जन है।

Question 2

एरोसोल एक प्रकार का कोलाइड है जिसमे

Accepted Answer

एरोसॉल मे विक्षेपण माध्यम गैस है जबकि विक्षेपित अवस्था ठोस या द्रव कुछ भी हो सकती है।

Question 3

वायुमंडल में प्रकृति एवं मानव क्रियाओं दोनों से निर्मित नाइट्रोजन का कौन-सा ऑक्साइड साधारण प्रदूषक नहीं है?

Accepted Answer

नाइट्रस ऑक्साइड वातावरण में प्राकृतिक रूप से उपस्थित रहती है।ऑटोमोबाइल इंजन में ईंधन के जलने पर उत्पन्न डाइनाइट्रोजन तथा डाइऑक्सीजन योग करके NO तथा NO2​ बनाते है।

Question 4

निम्न में से कौन CO के लिये सिंक है?

Accepted Answer

मृदा में उपस्थित सूक्ष्मजीव CO के लिए सिंक का कार्य करते हैं।

Question 5

Which of the following pollutants is main product of automobile exhaust?

Accepted Answer

Nitric oxide (NO) pollutant is the main product of automobiles exhaust.

Question 6

Burning of fossil fuels is the main source of

Accepted Answer

Burning of fossil fuels is the main source of sulphur dioxide

Question 7

Which is not an example of gaseous air pollutant?

Accepted Answer

Oxides of halogens are not an example of gaseous air pollutant.

Question 8

Which of the following is a primary pollutant?

Accepted Answer

Primary Pollutants: CO,CO2​, Aerosols, Bacteria, Pollens, Suspended particulates, Fly ash, Mist, Dew, Mist, Soot, Volcanoes, etc.

Question 9

Atmospheric pollutant is

Accepted Answer

Carbon monoxide is an atmospheric pollutant.

Question 10

Which of the following is not regarded as a pollutant?

Accepted Answer

Carbon dioxide is not regarded as a pollutant.

Question 11

Man dies in the atmosphere of CO, because it:

Accepted Answer

CO is a toxic gas and it has a ability to combines with the hemoglobin of blood, thereby making the hemoglobin incapable of absorbing O2​.

Question 12

Oxides of sulphur and nitrogen are important pollutants of

Accepted Answer

Oxides of sulphur and nitrogen are important pollutants of air.

Question 13

……… plant emits large amount of SO2​ as an air pollutant.

Accepted Answer

Sulphuric acid plant emits large amount of SO2​ as an air pollutant.

Question 14

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

Accepted Answer

Carbon monoxide, emitted by automobiles, prevents transport of oxygen in body due to the formation of stable product with haemoglobin.

Question 15

Main pollutants released from petroleum refineries are

Accepted Answer

CO,SO2​ and H2​ S are the main pollutants released from petroleum refineries.

Question 16

Sulphur dioxide present in the industrial chimney exhaust causes:

Accepted Answer

Respiratory and lung disease, reduction in plant's productivity owing to acid rain, and corrosion of building materials are caused by sulphur dioxide present in the industrial chimney exhaust.

Question 17

Which one is the most toxic?

Accepted Answer

CO is the most toxic compound.

Question 18

Which of the following statements is not true?

Accepted Answer

The average residence time of NO is 4 days

Question 19

Which gas is responsible for 'Bhopal Gas Tragedy' in 1984?

Accepted Answer

Methyl isocyanate is responsible for 'Bhopal Gas Tragedy' in 1984.

Question 20

CFC which is a main reason behind air pollution, is produced by

Accepted Answer

CFC is produced by aerosols.

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Solution for Class 11, Chemistry, Environmental Chemistry

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