Which is the most suitable dye for synthetic fibres ?

Related Mcqs:

1. Dacron (or Terylene) fibres as compared to nylon fibres have__________________?

   A. Better heat & acid resistant properties B. Poorer resistance to alkalis C. Poorer dyeability D. All A , B. and C....

2. Plasticisers are added to synthetic plastics to____________________?

   A. Impart flexibility B. Improve workability during fabrication C. Develop new improved properties not present in the original resins D. All A, B. and C....

3. Presence of sodium tripolyphosphate (an additive) in synthetic detergent___________________?

   A. Facilitates its use even in hard water (by sequestering the water-hardening Ca & Mg ions) B. Inhibits its corrosive effects C. Does not allow redeposition of dirt on the cleaned surface D. None of these...

4. Synthetic glycerine is produced from___________________?

   A. Toluene B. Phenol C. Propylene D. Naphthalene...

5. ______________ is a thermosetting plastic?

   A. Polyvinyl chloride B. Polythene C. Bakelite D. Teflon...

6. Which of the following is an unsaturated fatty acid ?

   A. Lauric acid B. Palmitic acid C. Stearic acid D. Oleic acid...

7. Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used_______________________?

   A. As a lubricant B. As a rust preventive C. In hard water for cleaning of cloth D. As a foam depressant in distillation column...

8. ______________ is obtained as a by-product in the manufacture of sodium hydroxide using brine ?

   A. Chlorine B. Ammonium chloride C. Sodium carbonate D. Sodium bi-carbonate...

9. Which of the following is not an antibiotic ?

   A. Penicillin B. Streptomycin C. Tetracycline D. Quinine...

10. Chalcopyrite is the main ore of_________________?

    A. Copper B. Lead C. Tin D. Iron...