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Glass is

A. Mainly CaO

B. Subjected to galvanising

C. A super cooled liquid

D. All (A), (B) and (C)

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

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  1. __________ is a thermosetting plastic.
  2. Major component of flint glass is
  3. Resistance to fusion of the refractory under a steady rising temperature condition is called
  4. Vegetable oils and fats basically differ in their
  5. Which catalyst is used in the manufacture of ethylene oxide by oxidation of ethylene?
  6. Sodium carbonate (soda ash) is not used in the manufacture of
  7. The yield of tar from high temperature carbonisation of dry coal is about __________ percent.
  8. Nitric acid is not used in the manufacture of
  9. Builders are added in soap to act as
  10. Free alkali in a toilet soap is __________ that in a laundry shop.
  11. Which of the following is a constituent of vinegar?
  12. Flux addition during smelting of ore is done to
  13. Glycerine is not used in the
  14. Metallic soap is __________ salt of fatty acids.
  15. Which of the following impurities in feed water for high pressure boiler is the most detrimental?
  16. Glycerine is a by-product of the __________ industry.
  17. __________ glass is used for the manufacture of optical glass.
  18. __________ is not a constituent of gun powder.
  19. Dehydrogenation of Isopropanol produces
  20. Nylon-66 is so named because the
  21. Conversion of CO to CO2 by steam in presence of a catalyst is called
  22. Solvent used for extraction of oil is
  23. Starting material for the commercial production of ethyl alcohol in India is
  24. Which of the following processes is absent in glass manufacturing process?
  25. __________ Nature of hypo (sodium thiosulphate) makes it useful in photography.
  26. __________ is produced using molasses as the starting raw material.
  27. __________ is used as a flux in the extraction of iron from iron ore (haematite) in blast furnace.
  28. Thermoplastic materials
  29. The metallic aluminium is obtained from pure alumina in the presence of fused cryolite by
  30. Which of the following is not a food additive?