بڑے سالمات

Written by Dr. Ayesha Nadeem (Chemistry)

بارہویں جماعت · کیمیا · 8 سوالات

نام: ____________________   تاریخ: ____________

1. Polythene is made from:

   • A Methane
   • B Ethene
   • C Propane
   • D Ethanol

2. Nylon is formed by:

   • A Cracking
   • B Condensation polymerisation
   • C Addition polymerisation
   • D Distillation

3. Natural rubber is a polymer of:

   • A Ethene
   • B Glucose
   • C Styrene
   • D Isoprene

4. Proteins are polymers of:

   • A Fatty acids
   • B Amino acids
   • C Nucleotides
   • D Sugars

5. PVC is made from the monomer:

   • A Ethene
   • B Chloroethene
   • C Styrene
   • D Propene

6. Bakelite is a:

   • A Metal
   • B Natural fibre
   • C Thermosetting plastic
   • D Thermoplastic only

7. Which is a natural polymer?

   • A Nylon
   • B Polythene
   • C Cellulose
   • D PVC

8. Terylene (polyester) is made by:

   • A Condensation polymerisation
   • B Cracking
   • C Addition polymerisation
   • D Hydration