Biodiesel (AQA A-Level Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is biodiesel composed of?
What is biodiesel composed of?
Methyl esters of long chain carboxylic acids
What is the process called that produces biodiesel from vegetable oils and methanol?
What is the process called that produces biodiesel from vegetable oils and methanol?
Trans-esterification
What does trans-esterification involve?
What does trans-esterification involve?
Ester + alcohol → new ester + alcohol
What type of catalyst is used in biodiesel production?
What type of catalyst is used in biodiesel production?
Strong base like KOH
What does it mean for a fuel to be carbon-neutral?
What does it mean for a fuel to be carbon-neutral?
released = absorbed in growth
Which crops are mentioned as biodiesel feedstocks?
Which crops are mentioned as biodiesel feedstocks?
Soybeans and rapeseed
Which factor challenges biodiesel's carbon neutrality?
Which factor challenges biodiesel's carbon neutrality?
Energy for irrigation from fossil fuels
What issue arises from using land for biodiesel crops instead of food crops?
What issue arises from using land for biodiesel crops instead of food crops?
Food shortages or higher food prices
Which energy sources could make biodiesel production truly carbon-neutral?
Which energy sources could make biodiesel production truly carbon-neutral?
Solar, wind, or hydropower
Why might biodiesel not be carbon neutral overall?
Why might biodiesel not be carbon neutral overall?
Fossil fuels used for fertiliser