Chemical Synthesis and Design (HSC SSCE Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What percentage of all vegetable matter is made up of cellulose?
What percentage of all vegetable matter is made up of cellulose?
33%
How many glucose monomer units are linked together in cellulose?
How many glucose monomer units are linked together in cellulose?
3000 or more
What is the correct conversion pathway from cellulose to polymers?
What is the correct conversion pathway from cellulose to polymers?
Cellulose→Glucose→Ethanol→Ethylene→Polymers
Which two main methods are used to break down cellulose into glucose?
Which two main methods are used to break down cellulose into glucose?
Cellulase enzymes and strong acid
What are biopolymers?
What are biopolymers?
Polymers made totally or largely by organisms
What was the first plastic, patented in 1869?
What was the first plastic, patented in 1869?
Cellulose nitrate (celluloid)
What percentage of landfill volume do plastics make up?
What percentage of landfill volume do plastics make up?
4%
How do graft copolymers become biodegradable?
How do graft copolymers become biodegradable?
Microbes attack biopolymer sections
What is a major energy problem with converting cellulose to ethylene?
What is a major energy problem with converting cellulose to ethylene?
May use more oil than direct oil cracking
How quickly can algae be harvested as an alternative source?
How quickly can algae be harvested as an alternative source?
Within a week