Home

Basic oxide is absent in __________ glass.

A. Flint

B. Pyrex

C. Quartz

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

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

You can do it
  1. An alkali metal salt of Palmitic acid is known as
  2. High temperature carbonisation of coal takes place at __________ °C.
  3. The most commonly used substance to speed up the sedimentation of sewage is
  4. In the Solvay process, the product from the calciner is
  5. Pick out the false statement pertaining to water treatment.
  6. Contact process of sulphuric acid manufacture
  7. Lime and soda ash are added to water to remove
  8. Which of the following is not an insecticide?
  9. Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is…
  10. Chemical formula of oleum is
  11. Isopropyl benzene produced by alkylation of benzene with propylene is known as
  12. Proximate analysis of coal determines its __________ content.
  13. Absorption of SO3 in 97% H2SO4 is
  14. The terminology 'BTX' used in coal tar distillation industry refers to
  15. __________ is used as a flux in the smelting of copper ore like chalcopyrite.
  16. __________ is an ore of lead.
  17. Pure rectified spirit contains about __________ percent alcohol.
  18. Caprolactam (a raw material for nylon-6 manufacture) is produced from
  19. Dry ice (solidified CO2) is used for the
  20. Hydrogenation of vegetable oils is a/an __________ reaction.
  21. Viscose rayon
  22. Wet chlorine gas produced during electrolysis of brine is dehydrated by
  23. Hydrocyanic acid (HCN) is used as an insecticide for
  24. Bleaching of paper pulp is done with
  25. Phosphoric acid is prepared from
  26. In an integrated steel plant, NH3 present in coke oven gas is normally recovered as
  27. Fusion of limestone and __________ produces high alumina cement.
  28. Direct conversion of chemical energy into electrical energy is done in a
  29. The major constituents of glass are
  30. Presence of carbonaceous matter in the sewage