Fluorescent dyes are added in detergents to

A. Act as fabric brightener (by converting ultraviolet light to visible light) thereby improving the whiteness appearance of white fabrics

B. Attain distinctiveness from other brands

C. Act as tarnish inhibitor for metals like German silver

D. None of these

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

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  1. Direct conversion of chemical energy into electrical energy is done in a
  2. Nylon-66 is so named because the
  3. Pick out the exothermic reaction out of the following:
  4. Raw materials required for the manufacture of __________ is acetylene and hydrochloric acid.
  5. Carboxymethyl cellulose (CMC) is added in detergents to act as a/an
  6. Phthalic anhydride is produced by the oxidation of
  7. Highly porous refractory bricks are
  8. The most commonly used substance to speed up the sedimentation of sewage is
  9. Hydrophilic group of a soap or detergent solution is
  10. Good quality of edible salt is obtained from brine by the process of
  11. Inversion of sucrose produces
  12. Pick out the wrong statement.
  13. Which of the following, when pyrolysed, produces Perchloroethylene?
  14. Sulphuric acid completely saturated with sulphur trioxide is called
  15. Oxidation of SO2 to SO3 is favoured by
  16. Catalytic oxidation of toluene produces
  17. Main product in calcium carbide-water reaction is
  18. The most widely used coagulant for removing suspended impurities from water is
  19. Fermentation is adversely affected by the
  20. Platinum is a versatile catalyst for many processes in chemical industries. It is highly prone to be…
  21. A 'unit process' is exemplified by the
  22. What products do we get on electrolysis of saturated brine using steel cathode and graphite anode in…
  23. Flexible foam (for mattresses) is usually made of
  24. Main constituents of natural rubber is
  25. Raw materials for 'Solvay Process' for manufacture of the soda ash are
  26. Concentration of NaOH solution produced by diaphragm electrolytic cell is about __________ percent.
  27. Starting raw material for the manufacture of Maleic anhydride is
  28. Pick out the correct statement.
  29. Permanent hardness of water is due to the presence of calcium & magnesium
  30. Pick out the wrong statement.