Sources and origins (AQA GCSE Design and Technology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
ShowHide
Practise the questions
12 questions from this quiz
What is the main source of most synthetic polymers?
What is the main source of most synthetic polymers?
Crude oil
How long did crude oil take to form naturally?
How long did crude oil take to form naturally?
Millions of years
What are the most important chemicals in crude oil for making polymers?
What are the most important chemicals in crude oil for making polymers?
Hydrocarbons
What temperature is crude oil heated to during fractional distillation?
What temperature is crude oil heated to during fractional distillation?
400°C
Which fraction from distillation is crucial for making polymers?
Which fraction from distillation is crucial for making polymers?
Naphtha
What makes alkenes particularly useful for polymer production?
What makes alkenes particularly useful for polymer production?
They contain double bonds
What are monomers?
What are monomers?
Small identical molecules
What is produced when monomers join together through polymerization?
What is produced when monomers join together through polymerization?
Long chain polymers
What is the purpose of cracking?
What is the purpose of cracking?
To break large molecules into smaller ones
What does ethylene polymerize to form?
What does ethylene polymerize to form?
Polyethylene
What is the correct order of the polymer production process?
What is the correct order of the polymer production process?
Extraction→distillation→cracking
What major safety risk exists in polymer production facilities?
What major safety risk exists in polymer production facilities?
High temps & pressures cause explosions