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Chemistry in daily life Bio molecules Polymers Environmental chemistry Nitrogenous compound Aldehyde and ketone Alcohol and phenol Halo alkane Hydrocarbon Basic concept of organic chemistry Coordination chemistry d&f block element p-block element part 3 p – block element part 2 p-block element part 1 s-block element Hydrogen Principal of extraction of metal Surface chemistry Chemical kinetics Electro chemistry Solution Chemical equilibrium Thermodynamics State of matter Chemical bonding Classification of element Atomic structure Basic concept of chemistry
  • What quantity of potash-alum is required to prepare 500ml solution having strength 1.5 F :
    711gm
    355.5 gm
    35.55 gm
    71.1 gm
  • Compound used in preparation of terylene is :
    Adipic acid
    Ethylene glycol
    Vinyl chloride
    Ethylene
  • Which is not a polymer:
    Teflon
    Neoprene
    Isoprene
    Bakelite
  • Dacron is a example of:
    Polyamide
    Polyester
    Polypropylene
    Polysaccharide
  • Thermosetting plastic is
    Nylon
    Polythene
    Polystyrene
    Bakelite
  • Which of the following has ester bond
    Buna-s
    Teflon
    Terylene
    Bakelite
  • Which of the following is polyamide :
    PVC
    Nylon
    Terylene
    Bakelite
  • Bakelite is obtained by reaction of:
    it is natural polymer
    Polyproelene with acid
    Polyethylene with phenol
    Formaldehyde with phenol
  • Which monomer unit is used to prepare Nylon66:
    Salicylic acid
    Benzoic acid
    Adipic acid
    Phthalic acid
  • The process of vulcanisation makes the rubber :
    Soluble in water
    More flexible
    Hard
    Soft