Read and download free pdf of CBSE Class 11 Chemistry Environmental Chemistry Worksheet Set B. Students and teachers of Class 11 Chemistry can get free printable Worksheets for Class 11 Chemistry in PDF format prepared as per the latest syllabus and examination pattern in your schools. Standard 11 students should practice questions and answers given here for Chemistry in Grade 11 which will help them to improve your knowledge of all important chapters and its topics. Students should also download free pdf of Class 11 Chemistry Worksheets prepared by school teachers as per the latest NCERT, CBSE, KVS books and syllabus issued this academic year and solve important problems provided here with solutions on daily basis to get more score in school exams and tests
Environmental Chemistry Class 11 Chemistry Worksheet Pdf
Class 11 Chemistry students should refer to the following printable worksheet in Pdf for Environmental Chemistry in standard 11. This test paper with questions and answers for Grade 11 Chemistry will be very useful for exams and help you to score good marks
Class 11 Chemistry Worksheet for Environmental Chemistry
Environmental Chemistry MCQ Questions with Answers Class 11 Chemistry
Question- Acid rain is due to
(a) CH3
(b) N2O5
(c) SO2 and NO2
(d) C2H5OH
Answer-(c)
Question-The smog is essentially caused by the presence of
(a) Oxides of sulphur and nitrogen
(b) O2 and N2
(c) O2 and O3
(d) O3 and N2
Answer-(a)
Question- Which is related to ‘Green House Effect’?
(a) Farming of Green plants
(b) Farming of Vegetables in Houses
(c) Global Warming
(d) Biodegradable pollutant
Answer-(c)
Question-The pH of normal rain water is
(a) 6.5
(b) 7.5
(c) 5.6
(d) 3.5
Answer-(c)
Question-The gas emitted by supersonic jet planes that slowly depletes the concentration of ozone layer is
(a) CO
(b) NO
(c) SO2
(d) O2
Answer-(b)
Question- Which of the following green house gas is released in paddy field ?
I. CFCs II. CH4
III. SO2
(a) Only I
(b) Only II
(c) Only III
(d) I and II
Answer-(b)
Question-Carbon monoxide (CO) is harmful to man because
(a) it forms carbolic acid
(b) it generates excess CO2
(c) it is carcinogenic
(d) it competes with O2 for haemoglobin
Answer-(d)
Question-The secondary precursors of photochemical smog are
(a) SO2 and NO2
(b) SO2 and hydrocarbons
(c) NO2 and hydrocarbons
(d) O3 and PAN
Answer-(d)
Question- Which of the following statements is incorrect ?
(a) Smoke particulates consist of solid or mixture of solid and liquid particles formed during combustion of organic matter.
(b) Herbicides and insecticides that miss their target and travel through air form mists.
(c) Organic solvents, metals and metallic oxides form fume particles
(d) None of these
Answer-(d)
Question- The main element of smog is
(a) O3 and PAN
(b) O3
(c) PAN
(d) PPN and PBN
Answer-(a)
Question-Photochemical smog formed in congested metropolitan cities mainly consists of
(a) ozone, peroxyacetyl nitrate and NOx
(b) smoke, peroxyacetyl nitrate and SO2
(c) hydrocarbons, SO2 and CO2
(d) hydrocarbons, ozone and SOx
Answer-(a)
Question-The quantity of CO2 in atmosphere is
(a) 3.34%
(d) 6.5%
(c) 0.034%
(d) 0.34%
Answer-(c)
Question-The substance which is not regarded as a pollutant?
(a) NO2
(b) CO2
(c) O3
(d) Hydrocarbons
Answer-(b)
Question-Air pollution causing photochemical oxidants production include
(a) Carbon monoxide, sulphur dioxide
(b) Nitrous oxide, nitric acid fumes, nitric oxide
(c) Ozone, peroxyacetyl nitrate, aldehydes
(d) Oxygen, chlorine, fuming nitric acid
Answer-(c)
Question-Which of the following is/are the hazardous pollutant(s) present in automobile exhaust gases?
(i) N2 (ii) CO
(iii) CH4 (iv) Oxides of nitrogen
(a) (ii) and (iii)
(b) (i) and (ii)
(c) (ii) and (iv)
(d) (i) and (iii)
Answer-(c)
Question-Increase in global temperature increases the incidence of which of the following infectious disease(s)
(i) Sleeping sickness (ii) Yellow fever
(iii) Malaria (iv) Dengue
(a) (ii) only
(b) (i) and (ii)
(c) (iii) and (iv)
(d) (i), (ii), (iii) and (iv)
Answer-(d)
Question- Photochemical smog is due to the presence of
(a) oxides of sulphur
(b) oxides of nitrogen
(c) oxides of carbon
(d) lead
Answer-(b)
Question-The green house effect is caused by
(a) CO2
(b) NO2
(c) NO
(d) CO
Answer-(a)
Question-Classical smog occurs in places of
(a) excess SO2
(b) low temperature
(c) high temperature
(d) excess NH3
Answer-(b)
More Question
Instructions:
1. All questions are compulsory.
2. Please give the explanation for the answer where applicable.
Q1 - What do you understand by anoxia or asphyxiation ?
Q2 - What is the effect of CFCs on ozone layer ?
Q3 - Write any four methods for waste management .
Q4 - What do you understand by viable and non-viable particulates?
Q5 - What is Green house Effect?
Q6 - Differentiate between classical (London smog) and photochemical smog
Q7 - What do you understand by global warming? What could be the consequences of global warming?
Q8 - What do you understand by green chemistry? How can the environmental pollution be decreased by green chemistry?
Q9 - Why is acid rain considered as threat to Taj-Mahal?
Please refer to the link below for CBSE Class 11 Chemistry Environmental Chemistry Worksheet Set B
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