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Haemoglobin is a/an

A. Amino acid

B. Biological catalyst

C. Protein

D. Enzyme

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

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  1. Raw materials used for producing __________ cement does not contain iron oxide.
  2. CaCl(OCl) is the chemical formula of
  3. A bio-catalyst produced by living cells which acts independent of the cell is called a/an
  4. Sulphur addition in soap is done to
  5. Bromine content in sea water may be around __________ ppm.
  6. Pick out the wrong statement.
  7. Portland cement consists mainly of
  8. Pick out the wrong statement.
  9. Reaction of calcium carbide with water produces a gas, which is used
  10. Sudden temperature fluctuation does not affect pyrex glass, because of its
  11. Washing soda is chemically represented by
  12. Vanillin is a type of
  13. In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms…
  14. Type of glass used in optical work is the __________ glass.
  15. Salt is the basic raw material for the manufacture of
  16. Commercially ethylene is produced from naphtha by
  17. Setting of plaster of Paris is accompanied with
  18. Thermoplastic materials
  19. Boiling of water containing temporary hardness produces
  20. Gelatine which is a nitrogenous organic protein is obtained by the hydrolysis of
  21. Free alkali in a toilet soap is __________ that in a laundry shop.
  22. __________ glass has the lowest co-efficient of thermal expansion and hence is more heat resistant.
  23. Chemical name of Grignard reagent is
  24. Coke used for the production of calcium carbide should have
  25. Claude process of gas liquefaction employs
  26. Manufacture of phthalic anhydride uses __________ as a catalyst.
  27. During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond…
  28. Which of the following is not an abrasive material?
  29. Finely ground calcium aluminate & silicate is a/an
  30. Shaving soaps are