Read and download free pdf of CBSE Class 11 Chemistry Environmental Chemistry Assignment. Get printable school Assignments for Class 11 Chemistry. Class 11 students should practise questions and answers given here for Chapter 14 Environmental Chemistry Chemistry in Class 11 which will help them to strengthen their understanding of all important topics. Students should also download free pdf of Printable Worksheets for Class 11 Chemistry prepared as per the latest books and syllabus issued by NCERT, CBSE, KVS and do problems daily to score better marks in tests and examinations
Assignment for Class 11 Chemistry Chapter 14 Environmental Chemistry
Class 11 Chemistry students should refer to the following printable assignment in Pdf for Chapter 14 Environmental Chemistry in Class 11. This test paper with questions and answers for Class 11 Chemistry will be very useful for exams and help you to score good marks
Chapter 14 Environmental Chemistry Class 11 Chemistry Assignment
ONE MARK QUESTIONS
1. Define environmental pollution.
2. Carbon monoxide is more harmful pollutant than carbondioxide. Explain
3. Name the pollutant gas that causes stiffness and fall off flower buds in plants.
4. Mention the effect of increased concentration of carbondioxide in atmosphere.
5. Why classical smog is also called reducing smog.
6. Describe ‘blue baby’ syndrome.
TWO MARK QUESTIONS
1. List the gases responsible for green house effect.
2. Mention the reasons how acid rain affect the ancient statues and monuments.
3. Define pesticides and herbicides with examples
4. Discuss the harmful effects of photochemical smog and how can they be controlled.
5 Discuss the consequences of ozone hole.
THREE MARK QUESTIONS
1 Define the following
(a) Global warming
(b) Eutrophication
(c) Acid rain
2 Explain the term green chemistry. How will it help decrease environmental pollution ?
3 Write the use of green chemistry in the following day to day life processes for decrease in pollution :
(a) Dry cleaning of clothes
(b) Bleaching of paper
(c) Synthesis of chemicals
4 What do you understand by Biological oxygen demand chemical oxygen demand ? How are they determined?
VALUE BASED QUESTIONS (FOUR MARKS)
1 The average human being requires nearly 12-15 times more air than food. So even small amount of pollutants in air becomes significant compared to similar level in food. Pollutants
can be degradable like discarded vegetables and non degradable like DDT, plastic materials, heavy metals ,nuclear wastes etc .Mrs. Sharma puts domestic wastes in municipal corporation of Delhi (MCD) dustbins. She puts biodegradable wastes in one dustbin and recyclable wastes in other dustbin. But Mrs.Verma throws away all types of wastes outside her house which create lot of problems for other residents.
i. Why MCD should separate biodegradable and non biodegradable wastes?
ii. What should be done with non –biodegradable wastes?
iii. Why has government banned plastic in Delhi?
iv. What are the values possessed by Mrs.Sharm
2. On a visit to a farmhouse Ramesh found that, the farmer used excessive pesticides on their farm. The products of their farm was being used as a foodfor rearing fishes. Ramesh was shocked to know that the fish of their farm were not fit for human consumption.
Answer the following questions:
i) What can be the possible reason for fish to be declared unfit as human food?
ii) How can you explain the cause of this situation to develop?
iii) What suggestion you will give for future?
iv) What are the values associated with Ramesh?
3 After entering a closed coal mine area, Ravi found difficulty in breathing, also felt nausea.
His friend Sonu immediately took him to the nearby hospital.
i) What could be the reason for Ravi’s sickness?
ii) What is the name of the compound formed when the above gas combines with blood?
iii) As a citizen of the country what should be Sonu’s course of action further?
iv) What are the values associated with Sonu?
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CBSE Class 11 Chemistry Chapter 14 Environmental Chemistry Assignment
We hope you liked the above assignment for Chapter 14 Environmental Chemistry which has been designed as per the latest syllabus for Class 11 Chemistry released by CBSE. Students of Class 11 should download and practice the above Assignments for Class 11 Chemistry regularly. We have provided all types of questions like MCQs, short answer questions, objective questions and long answer questions in the Class 11 Chemistry practice sheet in Pdf. All questions have been designed for Chemistry by looking into the pattern of problems asked in previous year examinations. You can download all Revision notes for Class 11 Chemistry also absolutely free of cost. Lot of MCQ questions for Class 11 Chemistry have also been given in the worksheets and assignments for regular use. All study material for Class 11 Chemistry students have been given on studiestoday. We have also provided lot of Worksheets for Class 11 Chemistry which you can use to further make your self stronger in Chemistry.
What are benefits of doing Assignment for CBSE Class 11 Chemistry Chapter 14 Environmental Chemistry?
a. Score higher marks: Regular practice of Chemistry Class 11 Assignments for chapter Chapter 14 Environmental Chemistry will help to improve understanding and help in solving exam questions correctly.
b. As per CBSE pattern: All questions given above follow the latest Class 11 Chemistry Sample Papers so that students can prepare as per latest exam pattern.
c. Understand different question types: These assignments include MCQ Questions for Class 11 Chemistry with answers relating to Chapter 14 Environmental Chemistry, short answers, long answers, and also case studies.
d. Improve time management: Daily solving questions from Chapter 14 Environmental Chemistry within a set time will improve your speed and accuracy.
e. Boost confidence: Practicing multiple assignments and Class 11 Chemistry mock tests for Chapter 14 Environmental Chemistry reduces exam stress.
How to Solve CBSE Class 11 Chemistry Chapter 14 Environmental Chemistry Assignment effectively?
a. Start with Class 11 NCERT and syllabus topics: Always read the chapter carefully before attempting Assignment questions for Class 11 Chemistry Chapter 14 Environmental Chemistry.
b. Solve without checking answers: You should first attempt the assignment questions on Chapter 14 Environmental Chemistry yourself and then compare with provided solutions.
c. Use Class 11 worksheets and revision notes: Refer to NCERT Class 11 Chemistry worksheets, sample papers, and mock tests for extra practice.
d. Revise tricky topics: Focus on difficult concepts by solving Class 11 Chemistry MCQ Test.
e. Maintain notebook: Note down mistakes in Chapter 14 Environmental Chemistry assignment and read them in Revision notes for Class 11 Chemistry
How to practice CBSE Class 11 Chemistry Chapter 14 Environmental Chemistry Assignment for best results?
a. Solve assignments daily: Regular practice of Chapter 14 Environmental Chemistry questions will strengthen problem solving skills.
b.Use Class 11 study materials: Combine NCERT book for Class 11 Chemistry, mock tests, sample papers, and worksheets to get a complete preparation experience.
c. Set a timer: Practicing Class 11 Chemistry Chapter 14 Environmental Chemistry assignment under timed conditions improves speed and accuracy.
You can download free Pdf assignments for CBSE Class 11 Chemistry Chapter 14 Environmental Chemistry from StudiesToday.com
All topics given in Chapter 14 Environmental Chemistry Chemistry Class 11 Book for the current academic year have been covered in the given assignment
No, all Printable Assignments for Chapter 14 Environmental Chemistry Class 11 Chemistry have been given for free and can be downloaded in Pdf format
Latest syllabus issued for current academic year by CBSE has been used to design assignments for Chapter 14 Environmental Chemistry Class 11
Yes, we have provided detailed answers for all questions given in assignments for Chapter 14 Environmental Chemistry Class 11 Chemistry