CBSE Class 8 Science Pollution of Air and Water Assignment Set B

Read and download free pdf of CBSE Class 8 Science Pollution of Air and Water Assignment Set B. Get printable school Assignments for Class 8 Science. Standard 8 students should practise questions and answers given here for Chapter 18 Pollution Of Air And Water Science in Grade 8 which will help them to strengthen their understanding of all important topics. Students should also download free pdf of Printable Worksheets for Class 8 Science 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 8 Science Chapter 18 Pollution Of Air And Water

Class 8 Science students should refer to the following printable assignment in Pdf for Chapter 18 Pollution Of Air And Water in standard 8. This test paper with questions and answers for Grade 8 Science will be very useful for exams and help you to score good marks

Chapter 18 Pollution Of Air And Water Class 8 Science Assignment

CBSE Class 8 Science Pollution of Air and Water Assignment Set B. Chapter wise assignments are being given by teachers to students to make them understand the chapter concepts. Its extremely critical for all CBSE students to practice all assignments which will help them in gaining better marks in examinations. All assignments available for free download on the website are developed by the best teachers having many years of teaching experience in CBSE schools all over the country. Students, teachers and parents are advised to download the CBSE study material. 

 

<1M>

1.Define air pollution.

2.Which gas is the main constituent of air?

3.Name the green house gases

4.Give two examples of air pollutants.

5.Which two gases cause acid rain?

6.Which phenomenon is responsible for global warming?

7.What is Marble cancer?

8.Which plan was made to save river Ganga?

9.Name two chemical contaminants of water.

10.Which gas is produced due to incomplete combustion of fuels?

11.Name the chemical which is used for the purification of water.

<2M>

12.What is air pollution? Which two diseases are caused due to air pollution?

13.Define potable water? Write the name of any two methods used for the purification of water.

14.What is the Greenhouse effect? How does it affect the atmosphere?

15.What steps has the Supreme Court taken to save the Taj Mahal from air pollution?

16.What is water pollution? Give two examples of water pollutants.

17.What is global warming? Write any one harmful effect of global warming.

18.What is smog? How it is harmful?

19.Why do we need to filter water before drinking? Name any two water borne diseases.

20.List some sources of air pollutants

21.What is green house effect.

22.How does hot water act as pollutant?

<3M>

23.What are the causes of air pollution.

24.What is acid rain? How is it formed?

25.How can you conserve water?

 

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