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After the ban on plastic bags, students ...

After the ban on plastic bags, students of one school decided to make the people aware of the harmful effects of plastic bags on environment and Yamuna River. To make the awareness more impactful, they organized rally by joining hands with other schools and distributed paper bags to vegetable vendors, shop keepers and departmental stores. All students pledged not to use polythene bags in future to save Yamuna River. After reading the above passage, answer the following question : What values are shown by the students?

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After the ban on plastic bags, students of one school decided to make the people aware of the harmful effects of plastic bags on environment and Yamuna River. To make the awareness more impactful, they organized rally by joining hands with other schools and distributed paper bags to vegetable vendors, shop keepers and departmental stores. All students pledged not to use polythene bags in future to save Yamuna River. After reading the above passage, answer the following question : What are biodegradable polymers? Give one example?

After the ban on plastic bags, students of one school decided to make the people aware of the harmful effects of plastic bags on environment and Yamuna River. To make the awareness more impactful, they organized rally by joining hands with other schools and distributed paper bags to vegetable vendors, shop keepers and departmental stores. All students pledged not to use polythene bags in future to save Yamuna River. After reading the above passage, answer the following question : Is polythene a condensation or an addition polymer?

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Seeing the growing cases of diabetes and depression among young children, Mr. Lugani, the principal of one reputed school organized a seminar in which he invited parents and principals. They all resolved this issue by strictly banning junk food in schools and introducing healthy snacks and drinks like soup, lassi milk, etc. in school canteens. They also decided to make compulsory half an hour of daily physical activities for the students in the morning assembly. After six months, Mr. Lugani conducted the health survey in most of the schools and discovered a tremendous improvement in the health of the students. After reading the above passage, answer the following question : What are the values (at least two) displayed by Mr. Lugani ?

MODERN PUBLICATION-POLYMERS-EXERCISE
  1. Give the empirical formula of CH3CH2CH2COOH

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  2. Write the mechanism of free radical polymerisation of ethene.

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  3. After the ban on plastic bags, students of one school decided to make ...

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  4. After the ban on plastic bags, students of one school decided to make ...

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  5. After the ban on plastic bags, students of one school decided to make ...

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  6. The polymers are finding extensive use in our day today life. Natural ...

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  7. Fill in the blanks- and were the scientists who first synthesized Ni...

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  8. The polymers are finding extensive use in our day today life. Natural ...

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  9. Synthetic polymers are finding applications in almost all spheres of l...

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  10. Find the percentage of phosphorous in the following : Ca(H2PO4)2

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  11. Which of the following is a naturally occurring polymer?

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  12. Neoprene is a polymer of .............. .

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  13. The monomer unit of PVC is :

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  14. Bakelite is the condensation polymer of

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  15. Nylon-66 is obtained from

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  16. Find the percentage of phosphorous in the following : Ca3(PO4)2

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  17. Calculate the percentage of chlorine in the following : KClO3

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  18. Acetylene have empirical formula CH and its vapour density is 13. find...

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  19. Benzene have empirical formula CH and its vapour density is 39. find t...

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  20. Find the empirical formula of a compound containing 17.7% hydrogen and...

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