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(A) Rubber latex is colloidal dispersion...

(A) Rubber latex is colloidal dispersion in water with negatively charged particles.
(R) Rubber can be coagulated by `AICI_(3)`.

A

Both (A) and (R) are true and (R) is the correct explanation of (A)

B

Both (A) and (R) are true and (R) is not the correct explanation of (A)

C

(A) is true but (R) is false

D

Both (A) and (R) are false

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-POLYMERS-OBJECTIVE EXERCISE - 4
  1. (A) Melamine is a thermosetting polymer (R) Melamine is a condensati...

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  2. (A) Melamine polymers are used to prepare unbreakable crockery items. ...

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  3. (A) Vulcanised Rubber suits industry than natural Rubber. (R) Elasti...

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  4. (A) Rubber latex is colloidal dispersion in water with negatively char...

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  5. (A) Ebonite contain a high percentage of sulphur. (R) Ebonite is a h...

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  6. (A) The process of vulcanization can be accelerated by Zno or zinc ace...

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  7. (A) Position of double bond in poly isoprene can be detected by ozonol...

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  8. (A) Neoprene is a synthetic Rubber. (R) Neoprene is obtained from ch...

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  9. (A) The P.D.I of synthetic polymer is greater than one. (R) Syntheti...

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  10. (A) P.H.B.V is used in spaciality packing. (R) P.H.B.V is a Biodegra...

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  11. (A) Biodegradable polymers are ecofriendly. (R) Biodegradable polyme...

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  12. (A) Poly glycolic acid is used as post operative sutures. (R) Poly g...

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  13. (A) Poly vinyl pyrrolidone is an addition homo polymer. (R) Poly vin...

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  14. (A) In the preparation of plexi glass acetone is used. (R) Poly meth...

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  15. (A) Buna-N is also known as G.R.A. (R) Buna-N is a synthetic Rubber.

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  16. (A) The inter molecular forces in thermosetting polymer is strongest a...

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  17. (A) Dextron is a non biodegradable polymer. (R) Dextron is used in s...

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  18. (A) In natural rubber, the polyisoprene chains exist as coiled structu...

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  19. (A) Bakelite is a thermosetting polymer. (R) Bakelite is a cross-lin...

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  20. (A) Chloroprene is a synthetic rubber. (R) Synthetic rubbers may be ...

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