Home

Dry ice (solidified CO2) is used for the

A. Storage & shipment of frozen foods and ice-creams

B. Liquefaction of permanent gases

C. Liquefaction of natural gas

D. None of these

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

You can do it
  1. Mercury cells for caustic soda manufacture, compared to diaphragm cells
  2. Ultimate analysis of coal determines its __________ content.
  3. Epoxy resin
  4. Which one of the following is not likely to be a constituent of vegetable oils?
  5. Which of the following processes can remove both temporary as well as permanent hardness of water?
  6. Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo.…
  7. Reverse osmosis is normally used for the
  8. Hydrazine is largely used
  9. Styrene-butadiene-rubber (SBR) as compared to natural rubber has
  10. In sulphate pulp manufacture, the pressure and temperature in the digestor is
  11. Anion exchanger is regenerated usually with
  12. Solvent extracted oil
  13. Co-efficient of thermal expansion of glass is decreased by the addition of __________ during its manufacture.
  14. The end bleaching agent used to move last traces of colour bodies from the pulp is
  15. Shrinkage volume in cement setting does not depend upon the
  16. CO & H2 are the constituents of
  17. The purpose of adding Na2CO3 to water of low alkalinity is to
  18. Liquefaction of gases cannot be done by
  19. Bromine is used in the preparation of
  20. Sodium chloride content in sea water is about __________ gms/litre.
  21. The gasification reaction represented by, C + H2O = CO + H2, is a/an __________ reaction.
  22. The noble gas which occurs most abundantly in the atmosphere is
  23. Air used in aerobic fermentation must be sterilized, otherwise the
  24. Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is…
  25. Dacron is a/an
  26. Average sulphur content in Indian pyrites is about __________ percent.
  27. In industrial nomenclature, alcohol means
  28. The terminology 'BTX' used in coal tar distillation industry refers to
  29. Highly porous refractory bricks are
  30. Alcohol is produced by the