Home

Vulcanisation of rubber

A. Decreases its tensile strength

B. Increases its ozone & oxygen reactivity

C. Increases its oil & solvent resistance

D. Converts its plasticity into elasticity

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. Which of the following is an endothermic reaction?
  2. Oxidation of ortho-xylene in presence of __________ catalyst is done to produce phthalic anhydride on…
  3. Tall oil obtained as a by-product from the black liquor recovery is
  4. Analgesic drugs are
  5. Carboxymethyl cellulose (CMC) is added in detergents to act as a/an
  6. Which of the following is the second major component of cement?
  7. Which of the following processes does not produce Cl2 as a co-product during the manufacture of caustic…
  8. Inversion of sucrose produces
  9. Wax is a
  10. In Kraft process of paper manufacture, white cooking liquor consists of caustic soda
  11. The major constituent of black liquor generated during paper manufacture is sodium
  12. Finely ground calcium aluminate & silicate is a/an
  13. Vulcanisation of rubber
  14. Coal tar is used as a
  15. Yellow glycerine is made into white, using
  16. Dehydrogenation of ethyl benzene produces
  17. The main product of high temperature carbonisation of coal is
  18. Commercial production of soda ash by Solvay process requires limestone, __________ as raw materials.
  19. Cement mainly contains
  20. Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury…
  21. CaO is called
  22. Styrene (a monomer for the production of polystyrene) is commercially produced by
  23. Pick out the wrong statement.
  24. Zeolite removes both temporary as well as permanent hardness of water by precipitating calcium and magnesium…
  25. Coke oven gas consists mainly of
  26. __________ process is used for the manufacture of sodium carbonate by ammonia soda process.
  27. Brackish water which contains mostly dissolved salt, can be purified by the __________ process.
  28. __________ process is used for the commercial production of nitric acid by the catalytic oxidation of…
  29. Which of the following is not an antibiotic?
  30. Sucrose content in cane sugar may be around __________ percent.