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Flexible foam (for mattresses) is usually made of

A. PVC

B. Silicone

C. Polyurethanes

D. Polyamides

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

You can do it
  1. The most reactive allotropic form of phosphorus is __________ phosphorus.
  2. CaO is called
  3. Calcination of gypsum produces
  4. Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury…
  5. Yellow phosphorus is transported under
  6. Use of chlorine in the treatment of sewage
  7. Which allotrope of sulphur is insoluble in carbon disulphide?
  8. Hydrogenation of oil does not
  9. __________ is used as a flux in the smelting of copper ore like chalcopyrite.
  10. Viscosity index improver (like polystyrene or polyisobutylene) is added to lubricant to
  11. Riboflavin is a/an
  12. Starting material for the production of butadiene in India is
  13. Pick out the wrong statement.
  14. Terylene is
  15. Widely used method for the conditioning of boiler feed water is the
  16. Fourdrinier machine is used in the manufacture of
  17. Conversion of CO to CO2 by steam in presence of a catalyst is called
  18. Phenol formaldehyde
  19. Which of the following is the main constituent of the mother liquor produced in salt industry?
  20. Which of the following is used as a coagulant in water treatment?
  21. Naphthalene is removed from coke oven gas by
  22. Producer gas consists mainly of
  23. Massecuite is a terminology used in the __________ industry.
  24. Pick out the wrong statement.
  25. Contact process of sulphuric acid manufacture
  26. Which of the following coals has the highest calorific value?
  27. DDT should not be allowed to come in contact with iron (during its manufacture) to
  28. Stereospecific agents are exemplified by
  29. Refractory bricks having high thermal conductivity is desirable, when it is to be used in the
  30. Hydrocyanic acid (HCN) is used as an insecticide for