පාඨමාලාව: Science - Grade - 11, මාතෘකාව: 14.Hydrocarbons and Their Derivatives | e-thaksalawa

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- Select activity Text Book
  
  Text Book සම්පතක්
- Select activity Unit Test - Nalanda College, Colombo 10
  
  Unit Test - Nalanda College, Colombo 10 සම්පතක්
- Select activity 2.9 Investigates the nature and uses of hydrocarbons and their derivatives
  
  2.9 Investigates the nature and uses of hydrocarbons and their derivatives Interactive Content
- Select activity 2.10: Explores the diversity of polymers
  
  2.10: Explores the diversity of polymers Interactive Content