Home
Class 12
CHEMISTRY
(A) The process of vulcanization can be ...

(A) The process of vulcanization can be accelerated by Zno or zinc acetate.
(R) Vulcanised Rubber is used in tyre industry.

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

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • POLYMERS

    AAKASH SERIES|Exercise OBJECTIVE EXERCISE - 3|18 Videos
  • PERIODIC TABLE

    AAKASH SERIES|Exercise QUESTIONS FOR DESCRIPTIVE ANSWERS|37 Videos
  • PRACTICAL CHEMISTRY

    AAKASH SERIES|Exercise PRACTICE SHEET-5 (Integer answer Type questions)|6 Videos

Similar Questions

Explore conceptually related problems

Acetic acid can be used

(A): The directions of velocity and accele ration can be in any way. (R) : The direction of acceleration depends on the direction of force, but not on the direction of velocity.

The role of zinc stearate in the process of vulcanisation is

The process is used on a large scale in the production of alcohol, wine, beer and acetic acid is -

(A) : A charged particle can be accelerated in a cyclotron by the oscillatory electric field. (R) : Energy of charged particle is increased by the electric field applied.

AAKASH SERIES-POLYMERS-OBJECTIVE EXERCISE - 4
  1. (A) Melamine is a thermosetting polymer (R) Melamine is a condensati...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |