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Natural starch is a mixture of...

Natural starch is a mixture of

A

10-20% amylopectin and 80-90% amylose

B

10-20% amylose and 80-90% amylopectin

C

50% amylose and 50% amylopectin

D

75% amylose and 25% amylopectin

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-POLYMERS-OBJECTIVE EXERCISE - 4
  1. Natural starch is a mixture of

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  2. (A) Glyptal is a condensation homo polymer. (R) Glyptal is used to p...

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  3. (A): Molecular mass of polymers is always expressed as an average. (...

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  4. (A): F(2)C=CF(2), is the monomer of teflon. (R): Polytetrafluoroethy...

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  5. (A): The chains of nylon-6, 6 are held by hydrogen bonding forces. (...

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  6. (A) : Natural rubber and gutta percha are examples of cis-trans isomer...

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  7. (A): Styrene is more reactive than propylene towards cationic polymeri...

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  8. (A) Nylon-6 is obtained by polymerization of caprolactam. (R) Nylon-...

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  9. (A) P.V.C is an addition copolymer (R) P.V.C is used to prepare hand...

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  10. (A) Vulcanised rubber is stiff and has little tendency to absorb water...

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  11. (A) Natural rubber is cis polyisoprene. (R) Isoprene is 2-methyl-1,3...

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  12. (A) Thermosetting polymers are cross linked polymers. (R) Thermosett...

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  13. (A) Natural rubber is an elastomer. (R) The intermolecular forces of...

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  14. (A) Bakelite is prepared by copolymerisation of formaldehyde and pheno...

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  15. (A) Cellulose is natural polymer. (R) Cellulose is obtained from pla...

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  16. (A) Cellulose acetate is a semisynthetic polymer. (R) Natural polyme...

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  17. (A) Poly vinyl chloride is a linear polymer. (R) Poly vinyl chloride...

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  18. (A) L.D.P.E is a branched polymer. (R) L.D.P.E is inert tough and fl...

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  19. (A) Bakelite is a cross linked polymer. (R) Bakelite is formed from...

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  20. (A) Benzene does not undergo polymerisation. (R) Benzene loses aroma...

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  21. (A) Ethylene can undergo polymerisation. (R) Ethylene contain a weak...

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